CN103138083A - Coaxial connector - Google Patents
Coaxial connector Download PDFInfo
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- CN103138083A CN103138083A CN2013100915275A CN201310091527A CN103138083A CN 103138083 A CN103138083 A CN 103138083A CN 2013100915275 A CN2013100915275 A CN 2013100915275A CN 201310091527 A CN201310091527 A CN 201310091527A CN 103138083 A CN103138083 A CN 103138083A
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Abstract
The invention provides a coaxial connector which comprises an insulating body and a switch terminal, wherein the switch terminal is fixed on the insulating body, and an accommodating hole which is used for accommodating a center conductor of a butt connector is formed in the insulating body. The switch terminal comprises a fixed terminal and a moving terminal which are oppositely arranged. The fixed terminal is provided with a first fixing portion and two first contacting portions, wherein the first fixing portion is fixed on the insulating body, and the two first contacting portions extend from the first fixing portion to two sides of the accommodating hole. The moving terminal is provided with a second fixing portion, an elastic arm and two second contacting portions, wherein the second fixing portion is fixed on the insulating body, the elastic arm extends from the second fixing portion and faces towards the fixed terminal, the two contacting portions extend from two sides of the elastic arm and are respectively contacted with or separated from the two first contacting portions, the width of the connecting portions between the second contacting portions and the elastic arm is smaller than the width of the elastic arm.
Description
Technical field
The present invention relates to a kind of coaxial connector, relate in particular to a kind of coaxial connector with switch terminal.
Background technology
Prior art related to the present invention sees also a kind of coaxial connector with switch terminal that discloses for No. 1238931C in the Chinese invention patent CN of on January 25th, 2006 bulletin.This coaxial connector have the hole of the center conductor that can accommodate coaxial plug insulation shell, hide in the shielding casing in the outside of this insulation crust and be fixed on insulation shell and be positioned at fixed terminal and the movable terminal of the below in described hole; Described fixed terminal is provided with the horizontal and unsettled contact site that is positioned the downward projection of lower surface at the interior fixed part of insulation shell and place, self-retaining section centre position; Described movable terminal is provided with the elastic portion below the contact site that is fixed in the fixed part on insulation shell and is positioned at described fixed terminal; Described elastic portion is tilted to upper straight line extension and is cantilever-designed from fixed part one end of described movable terminal.When the center conductor of coaxial plug does not insert in the hole of insulation shell, the make progress contact site of the described fixed terminal of butt of the elastic portion of described movable terminal; When the center conductor of coaxial plug inserts in the hole of insulation shell, described center conductor compresses the elastic portion of movable terminal downwards, and then make elastic portion move down and break away from and the contacting of the contact site of fixed terminal, namely disconnect being connected of fixed terminal and movable terminal.As known from the above, the elastic portion of this kind movable terminal be inclined upwardly extend and with the contact site butt of fixed terminal, the positive force of the elastic portion that this kind designs is less, and after long-time the use, the elastic force of elastic portion easily weakens, and then causing the contact impedance between movable terminal and fixed terminal unstable, contact reliability is poor.
Therefore, be necessary to provide a kind of improved coaxial connector to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of coaxial connector that improves the contact reliability of movable terminal and fixed terminal.
For achieving the above object, the invention provides a kind of coaxial connector, comprise insulating body and be fixed in switch terminal on insulating body; Described insulating body is provided with to accommodate the accepting hole of the center conductor of a butt connector; Described switch terminal comprises fixed terminal and the movable terminal that is oppositely arranged; Described fixed terminal is provided with the first fixed part that is fixed on insulating body and two the first contact sites that extend to the accepting hole both sides from the first fixed part; Described movable terminal be provided with the second fixed part of being fixed on insulating body, the elastic arm that extends towards fixed terminal from the second fixed part and own elasticity arm both sides extend with respectively with two the first contact sites contacts or two the second contact sites separating; The width of the part that described the second contact site is connected with elastic arm is less than the width of described elastic arm.
As a further improvement on the present invention, described elastic arm is provided with the abutting part that upwards is exposed in accepting hole, and two described the second contact sites form from the extension of the both sides of described abutting part respectively.
As a further improvement on the present invention, described the second contact site is in the below of the first contact site, and each second contact site is provided with the convex closure of projection to connect with the first contact site upwards.
As a further improvement on the present invention, described insulating body is provided with and is positioned at the second contact site below with the confined planes of restriction the second contact site displacement when the second contact site moves down, and described the first contact site is the cantilever-shaped unsettled top that is arranged at confined planes.
As a further improvement on the present invention, described insulating body comprises upper body and the lower body that coordinates up and down, and described accepting hole is formed on upper body and runs through up and down upper body, and described fixed terminal and movable terminal are fixed on lower body.
As a further improvement on the present invention, described lower body be provided with base portion and be positioned at base portion both sides and upwards projection exceed described base portion to support the support portion of described upper body, form the resettlement section of accommodating described fixed terminal and movable terminal between described support portion and base portion, described confined planes is formed on above described base portion.
as a further improvement on the present invention, described the first fixed part be provided with the first horizontal part of being positioned at the base portion upside and from the first horizontal part both sides respectively to the first interference part of downward-extension, described the first contact site forms from the extension of the both sides, end of the first horizontal part, described the second fixed part be provided with the second horizontal part of being positioned at the base portion upside and from the second horizontal part both sides respectively to the second interference part of downward-extension, the opposite side of described base portion is respectively equipped with to support the first stationary plane of the first horizontal part, in order to support the second stationary plane of the second horizontal part, and respectively from the holddown groove of the first stationary plane and the second stationary plane depression to fix with the first interference part and the second interference part.
As a further improvement on the present invention, described confined planes is higher than the first stationary plane, and described the second stationary plane is higher than confined planes, and described the first contact site is tabular.
As a further improvement on the present invention, described support portion is provided with the location notch that runs through downwards, described upper body be provided with flat part, from flat part make progress the cylindrical portion of projection and from flat part both sides to downward-extension to locate mutually with described location notch the snap fit that coordinates.
As a further improvement on the present invention, described flat part is provided with downward projection to support the holding block of described the first fixed part and the second fixed part.
The invention has the beneficial effects as follows: the present invention is by arranging an elastic arm on movable terminal, the second contact site be two and respectively own elasticity arm both sides extend and to form, can increase on the one hand the contact point of movable terminal and fixed terminal, the effective connection between assurance movable terminal and fixed terminal; Two the second contact sites extend from an elastic arm on the other hand, and this elastic arm is positioned at the centre position, can improve the synchronism that two the second contact sites move, and can suitably increase the volume of this elastic arm, improve resistance and the useful life of elastic arm; In addition, the width of the part that described the second contact site is connected with elastic arm makes the second contact site also have elasticity less than the width of described elastic arm, namely makes movable terminal all have elasticity at vertical and horizontal, and the distribution of positive force is better; And the part that is connected with elastic arm when the second contact site is during in transverse elasticity, the second contact site can slide because of elastic deformation when the downward butt elastic arm of center conductor, and then strike off the dust of movable terminal and fixed terminal contact site, improve the contact reliability of movable terminal and fixed terminal.
Description of drawings
Fig. 1 is the stereogram of the center conductor of coaxial connector of the present invention and a butt connector;
Fig. 2 is the decomposed figure of coaxial connector in Fig. 1;
Fig. 3 is the further exploded view of coaxial connector in Fig. 2;
Fig. 4 is the three-dimensional exploded view of another angle of coaxial connector in Fig. 3.
Embodiment
Describe the present invention below with reference to each execution mode shown in the drawings.But these execution modes do not limit the present invention, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or function all is included in protection scope of the present invention.
Please refer to Fig. 1 to the schematic diagram of the center conductor 800 that Figure 4 shows that coaxial connector 100 of the present invention and a butt connector.The shielding casing 3 that described socket coaxial connector 100 comprises insulating body 1, is fixed in the switch terminal 2 on insulating body 1 and hides insulating body 1.Described switch terminal 2 comprises fixed terminal 21 and the movable terminal 22 that is in contact with one another or separates.
To shown in Figure 4, described insulating body 1 comprises upper body 11 and the lower body 12 that coordinates up and down in conjunction with Fig. 1.Described upper body 11 be provided with flat part 13, from flat part 13 upwards projection cylindrical portion 14, from flat part 14 both sides to the snap fit 15 of downward-extension and the accepting hole 16 that runs through up and down described cylindrical portion 14 and flat part 13.The center conductor 800 of described accepting hole 16 in order to accommodate described butt connector.Described cylindrical portion 14 outer surfaces are provided with the fin 141 of outside projection to coordinate with described shielding casing 3 interferences.Described flat part 13 is provided with the projection 132 that pars intermedia 131 reaches from the pars intermedia 131 outside projections in both sides, and described snap fit 15 extends to form downwards from described projection 132.Described pars intermedia 131 is provided with some holding blocks 1311 from the downward projection of its lower surface.
Described lower body 12 is provided with base portion 121 and is positioned at base portion 121 both sides and support portion 122 that upwards projection exceeds described base portion 121.Described base portion 121 be provided with above opposite side with the first stationary plane 1210 and second stationary plane 1211 of the son 21 of support fixed end respectively and movable terminal 22 and be formed on above base portion 121 and confined planes 1212 between the first stationary plane 1210 and the second stationary plane 1211.Described confined planes 1212 is higher than described the first stationary plane 1210, and described the second stationary plane 1211 is higher than confined planes 1212.In addition, the opposite side of described base portion 121 also is provided with respectively and caves in the holddown groove 1214 of fixing described fixed terminal 21 and movable terminal 22 from the first stationary plane 1210 and the second stationary plane 1211.Form the resettlement section 123 of accommodating described fixed terminal 21 and movable terminal 22 between described support portion 122 and base portion 121.Each described support portion 122 comprises the location division 1222 that stop part 1221 reaches lower than described stop part 1221.The upper surface of described location division 1222 is higher than the first stationary plane 1210 of described base portion 121, and described location division 1222 be formed with run through up and down with the location notch 1223 of the snap fit 15 phase fixings location of described upper body 11.The pars intermedia 131 of described upper body 11 is between described stop part 1221 and be contained in described resettlement section 123.Described projection 132 is arranged on described location division 1222 and by described location division 1222 and supports.
To shown in Figure 4, described fixed terminal 21 and movable terminal 22 all are fixed on lower body 12, and are oppositely arranged on the both sides of base portion 121 in conjunction with Fig. 2.Described fixed terminal 21 is provided with the first fixed part 211 of being fixed in described holddown groove 1214, extends to two the first contact sites 212 of accepting hole 16 both sides and the first weld part 213 that is bent to form from first fixed part 211 other ends from the first fixed part 211 1 ends.Described the first fixed part 211 be provided with the first horizontal part 2111 of being positioned at base portion 121 upsides and from the first horizontal part 2111 both sides respectively to the first interference part 2112 of downward-extension.Described the first interference part 2112 interference are fixed in described holddown groove 1214.Described the first contact site 212 extends from the both sides, end of the first horizontal part 2111 and forms, and two described the first contact sites 212 and the first horizontal part 2111 integral body roughly are U-shaped design.Described the first contact site 212 and the first horizontal part 2111 all are tabular and in the same plane, and described the first horizontal part 2111 is posted by the first stationary plane 1210 of described base portion 121 downwards, and described the first contact site 212 is the cantilever-shaped unsettled top that is arranged at described confined planes 1212.Described the first weld part 213 oppositely bends from the first fixed part 211 and forms, and is exposed to the below of lower body 12 downwards.
Extremely shown in Figure 4 in conjunction with Fig. 2, the elastic arm 222 that described movable terminal 22 is provided with the second fixed part 221 on lower body 12, extend towards fixed terminal 21 from described the second fixed part 221 1 ends, own elasticity arm 222 both sides extend with respectively with two the first contact sites 212 contacts or two the second contact sites 223 separating, and from reverse the second weld part 224 that forms of bending of described second fixed part 221 other ends.Described the second weld part 224 is exposed to the below of lower body 12 downwards.Described the second fixed part 221 be provided with the second horizontal part 2211 of being positioned at base portion 121 upsides and from the second horizontal part 2211 both sides respectively to the second interference part 2212 of downward-extension.Described the second horizontal part 2211 is posted by the second stationary plane 1211 of base portion 121.Described the second interference part 2212 is fixed in described holddown groove 1214.The holding block 1311 of pars intermedia 131 belows of described upper body 11 support on described the first horizontal part 21111 and the second horizontal part 2211 so that fixed terminal 21 and movable terminal 22 are clamped between upper body 11 and lower body 12.
Described elastic arm 222 is towards the arch shape of described accepting hole 16 direction projections, and is provided with the abutting part 2221 that upwards is exposed in accepting hole 16.Two described the second contact sites 223 form from the extension of the both sides of described abutting part 2221 respectively.The width of the part that described the second contact site 223 is connected with elastic arm 222 is less than the width of described elastic arm 222.Described the second contact site 223 is positioned at the below of the first contact site 212, and each second contact site 223 is provided with the convex closure 2231 of projection to connect with the first contact site 212 upwards, make thus the second contact site 223 contact for the biconvex bag with the first contact site 212, can effectively avoid the contact zone to have dust, the loose contact that break flour etc. cause.
Described shielding casing 3 comprises the cylindrical portion 31 that hides around the cylindrical portion 14 of described upper body 11 and is connected with cylindrical portion 31 and hides lower house 32 in the flat part 13 of described upper body 11 and lower body 12 outsides.Described lower house 32 be formed with hide the first 321 of flat part 13 upsides and from first's 321 lateral borders to downward-extension and the clasp holding part 322 at lower body 12 downsides.
Got by above, coaxial connector 100 of the present invention is by arranging an elastic arm 222 on movable terminal 22, the second contact site 223 be two and respectively own elasticity arm 222 both sides extend and to form, can increase on the one hand the contact point of movable terminal 22 and fixed terminal 21, guarantee effective connection the between movable terminal 22 and fixed terminal 21; Two the second contact sites 223 extend from an elastic arm 222 on the other hand, and this elastic arm 222 is positioned at the centre position, can improve the synchronism that two the second contact sites 223 move, and can suitably increase the volume of this elastic arm 222, improve resistance and the useful life of elastic arm 222; In addition, the width of the part that described the second contact site 223 is connected with elastic arm 222 makes the second contact site 223 also have elasticity less than the width of described elastic arm 222, namely makes movable terminal 22 all have elasticity at vertical and horizontal, and the distribution of positive force is better; And the part that is connected with elastic arm 222 when the second contact site 223 is during in transverse elasticity, the second contact site 223 can slide because of elastic deformation when center conductor 800 downward butt elastic arm 222, and then strike off the dust of movable terminal 22 and fixed terminal 21 contacts site, and then improve the contact reliability of movable terminal 22 and fixed terminal 21.In addition, described elastic arm 222 is the arch shape design towards accepting hole 16 direction projections, and be arranged on elastic arm 222 prominent position to accepting hole 16 with the abutting part 2221 of center conductor 800 butts, positive force when making thus movable terminal 223 with the center conductor 800 of butt connector and with fixed terminal 21 butt is larger, and is less with the contact impedance of fixed terminal 21.
Be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each execution mode also can through appropriate combination, form other execution modes that it will be appreciated by those skilled in the art that.
Above listed a series of detailed description is only illustrating for feasibility execution mode of the present invention; they are not to limit protection scope of the present invention, all disengaging within equivalent execution mode that skill spirit of the present invention does or change all should be included in protection scope of the present invention.
Claims (10)
1. coaxial connector comprises insulating body and is fixed in switch terminal on insulating body; Described insulating body is provided with to accommodate the accepting hole of the center conductor of a butt connector; Described switch terminal comprises fixed terminal and the movable terminal that is oppositely arranged; It is characterized in that: described fixed terminal is provided with the first fixed part that is fixed on insulating body and two the first contact sites that extend to the accepting hole both sides from the first fixed part; Described movable terminal be provided with the second fixed part of being fixed on insulating body, the elastic arm that extends towards fixed terminal from the second fixed part and own elasticity arm both sides extend with respectively with two the first contact sites contacts or two the second contact sites separating; The width of the part that described the second contact site is connected with elastic arm is less than the width of described elastic arm.
2. coaxial connector according to claim 1 is characterized in that: described elastic arm is provided with the abutting part that upwards is exposed in accepting hole, and two described the second contact sites extend from the both sides of described abutting part respectively and form.
3. coaxial connector according to claim 1 and 2 is characterized in that: described the second contact site is in the below of the first contact site, and each second contact site is provided with the convex closure of projection to connect with the first contact site upwards.
4. coaxial connector according to claim 1 and 2, it is characterized in that: described insulating body is provided with and is positioned at the second contact site below with the confined planes of restriction the second contact site displacement when the second contact site moves down, and described the first contact site is the cantilever-shaped unsettled top that is arranged at confined planes.
5. coaxial connector according to claim 4, it is characterized in that: described insulating body comprises upper body and the lower body that coordinates up and down, described accepting hole is formed on upper body and runs through up and down upper body, and described fixed terminal and movable terminal are fixed on lower body.
6. coaxial connector according to claim 5, it is characterized in that: described lower body be provided with base portion and be positioned at base portion both sides and upwards projection exceed described base portion to support the support portion of described upper body, form the resettlement section of accommodating described fixed terminal and movable terminal between described support portion and base portion, described confined planes is formed on above described base portion.
7. coaxial connector according to claim 6, it is characterized in that: described the first fixed part be provided with the first horizontal part of being positioned at the base portion upside and from the first horizontal part both sides respectively to the first interference part of downward-extension, described the first contact site forms from the extension of the both sides, end of the first horizontal part, described the second fixed part be provided with the second horizontal part of being positioned at the base portion upside and from the second horizontal part both sides respectively to the second interference part of downward-extension, the opposite side of described base portion is respectively equipped with to support the first stationary plane of the first horizontal part, in order to support the second stationary plane of the second horizontal part, and respectively from the holddown groove of the first stationary plane and the second stationary plane depression to fix with the first interference part and the second interference part.
8. coaxial connector according to claim 7, it is characterized in that: described confined planes is higher than the first stationary plane, and described the second stationary plane is higher than confined planes, and described the first contact site is tabular.
9. coaxial connector according to claim 6, it is characterized in that: described support portion is provided with the location notch that runs through downwards, described upper body be provided with flat part, from flat part make progress the cylindrical portion of projection and from flat part both sides to downward-extension to locate mutually with described location notch the snap fit that coordinates.
10. coaxial connector according to claim 9, it is characterized in that: described flat part is provided with downward projection to support the holding block of described the first fixed part and the second fixed part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310091527.5A CN103138083B (en) | 2013-03-21 | 2013-03-21 | Coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310091527.5A CN103138083B (en) | 2013-03-21 | 2013-03-21 | Coaxial connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103138083A true CN103138083A (en) | 2013-06-05 |
| CN103138083B CN103138083B (en) | 2015-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310091527.5A Active CN103138083B (en) | 2013-03-21 | 2013-03-21 | Coaxial connector |
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| CN (1) | CN103138083B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600457A (en) * | 2015-02-26 | 2015-05-06 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch connector |
| CN104600482A (en) * | 2013-10-31 | 2015-05-06 | 吉佳蓝科技股份有限公司 | Coaxial connector and manufacture thereof |
| CN107732517A (en) * | 2017-07-25 | 2018-02-23 | 启东乾朔电子有限公司 | switch type coaxial connector |
| CN107887736A (en) * | 2016-09-30 | 2018-04-06 | 电连技术股份有限公司 | signal connector |
| CN109950757A (en) * | 2019-04-28 | 2019-06-28 | 昆山嘉华电子有限公司 | Electric connector |
| CN114389106A (en) * | 2022-01-11 | 2022-04-22 | 鸿日达科技股份有限公司 | RF connector |
| CN114447651A (en) * | 2020-11-02 | 2022-05-06 | 富誉电子科技（淮安）有限公司 | Radio frequency switch connector |
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| US20100130028A1 (en) * | 2008-06-25 | 2010-05-27 | Murata Manufacturing Co., Ltd. | Coaxial connector |
| CN201549732U (en) * | 2009-11-20 | 2010-08-11 | 昆山嘉华电子有限公司 | Electric coaxial connector with specific terminal structure |
| CN202111244U (en) * | 2011-04-26 | 2012-01-11 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN203150766U (en) * | 2013-03-21 | 2013-08-21 | 昆山嘉华电子有限公司 | Coaxial connector |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20100130028A1 (en) * | 2008-06-25 | 2010-05-27 | Murata Manufacturing Co., Ltd. | Coaxial connector |
| CN201549732U (en) * | 2009-11-20 | 2010-08-11 | 昆山嘉华电子有限公司 | Electric coaxial connector with specific terminal structure |
| CN202111244U (en) * | 2011-04-26 | 2012-01-11 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN203150766U (en) * | 2013-03-21 | 2013-08-21 | 昆山嘉华电子有限公司 | Coaxial connector |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600482A (en) * | 2013-10-31 | 2015-05-06 | 吉佳蓝科技股份有限公司 | Coaxial connector and manufacture thereof |
| CN104600482B (en) * | 2013-10-31 | 2017-03-08 | 吉佳蓝科技股份有限公司 | Coaxial connector and preparation method thereof |
| CN104600457A (en) * | 2015-02-26 | 2015-05-06 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch connector |
| CN104600457B (en) * | 2015-02-26 | 2017-03-01 | 昆山科信成电子有限公司 | Terminal combination and RF coaxial switch adapter |
| CN107887736B (en) * | 2016-09-30 | 2020-04-21 | 电连技术股份有限公司 | Signal connector |
| CN107887736A (en) * | 2016-09-30 | 2018-04-06 | 电连技术股份有限公司 | signal connector |
| WO2019019001A1 (en) * | 2017-07-25 | 2019-01-31 | 启东乾朔电子有限公司 | Switch-type coaxial connector |
| CN107732517A (en) * | 2017-07-25 | 2018-02-23 | 启东乾朔电子有限公司 | switch type coaxial connector |
| CN107732517B (en) * | 2017-07-25 | 2023-01-17 | 启东乾朔电子有限公司 | Switch type coaxial connector |
| CN109950757A (en) * | 2019-04-28 | 2019-06-28 | 昆山嘉华电子有限公司 | Electric connector |
| CN109950757B (en) * | 2019-04-28 | 2024-03-15 | 昆山嘉华电子有限公司 | Electric connector |
| CN114447651A (en) * | 2020-11-02 | 2022-05-06 | 富誉电子科技（淮安）有限公司 | Radio frequency switch connector |
| CN114447651B (en) * | 2020-11-02 | 2023-07-18 | 富誉电子科技（淮安）有限公司 | Radio frequency switch connector |
| CN114389106A (en) * | 2022-01-11 | 2022-04-22 | 鸿日达科技股份有限公司 | RF connector |
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| Publication number | Publication date |
|---|---|
| CN103138083B (en) | 2015-10-21 |
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