CN107834495A - A kind of 10KV cables cooling terminal of convenience in transport - Google Patents
A kind of 10KV cables cooling terminal of convenience in transport Download PDFInfo
- Publication number
- CN107834495A CN107834495A CN201711165452.5A CN201711165452A CN107834495A CN 107834495 A CN107834495 A CN 107834495A CN 201711165452 A CN201711165452 A CN 201711165452A CN 107834495 A CN107834495 A CN 107834495A
- Authority
- CN
- China
- Prior art keywords
- insulation tube
- support
- hollow insulation
- convenience
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a kind of 10KV cables of convenience in transport to cool down terminal, including hollow insulation tube, the hollow insulation tube is externally provided with some full skirts, embedded with reinforcing rope inside the hollow insulation tube, the inside for reinforcing rope and being wrapped in the hollow insulation tube, the both ends of the hollow insulation tube are equipped with reinforcing ring, the reinforcing rope is connected with the reinforcing ring, supporter is provided with inside the hollow insulation tube, the support meanss that quantity is two are arranged with above support, the support meanss include support disk.Beneficial effect：The probability that supporter is deformed due to the radial pressure of hollow insulation tube can be greatly reducing, so as to ensure that between supporter without departing from bonding, add the fastness of supporter, reduce the generation rate of waste product, effectively avoid some unnecessary economic losses, the resistance to property pullled of hollow insulation tube is greatly added, making the sealing at the both ends of hollow insulation tube greatly increases, and reduces the probability of steam entrance.
Description
Technical field
The present invention relates to cable accessory field, it particularly relates to a kind of 10KV cables cooling terminal of convenience in transport.
Background technology
Cold-shrink cable terminal is to be injected using elastomeric material (conventional has silicon rubber and EP rubbers) in factory
Sulfidization molding, then through part that is expanding, being lined with the various cable accessories of plastic spiral supporter composition.During in-site installation, by these
Predilation part is enclosed on cable end piece or joint after treatment, extracts the plastic spiral bar (supporter) of internal support, pressure out
The cable accessory tightly formed on cable insulation.Because it is to lean on elastic recovery force at normal temperatures, rather than as thermal contraction electricity
The fiery heat shrink of cable fittings, therefore it is commonly called as cold events cable accessory.
Chilling shrink type cable accessory in use, in order to reduce the extraction resistance of support tube, the spiral slit of supporter
Adhesion strength is designed smaller, but during this supporter long-time storage or during long-distance transport, it is by
The radial pressure of empty insulation tube can be deformed, or even the situation of adhesive segment separation occur, cause substantial amounts of cooled cable
Annex is changed into waste product, causes substantial amounts of unnecessary economic loss, also, power cable outdoor terminal rubber system at home and abroad
In product, because the elastic strength of its port part is inadequate, easily there is fatigue in the case where long-time is in stretching, make its sealing property
It is deteriorated.And because its long-term work is in the open air of bad environments, easily steam is allowed to enter.
The problem of in correlation technique, effective solution is not yet proposed at present.
The content of the invention
The problem of in correlation technique, the present invention proposes a kind of 10KV cables cooling terminal of convenience in transport, to overcome
Above-mentioned technical problem present in existing correlation technique.
The technical proposal of the invention is realized in this way：
A kind of 10KV cables cooling terminal of convenience in transport, including hollow insulation tube, if the hollow insulation tube is externally provided with
Dry full skirt, the hollow insulation tube inside are wrapped in the inside of the hollow insulation tube embedded with rope, the reinforcing rope is reinforced,
The both ends of the hollow insulation tube are equipped with reinforcing ring, and the reinforcing rope is connected with the reinforcing ring, the hollow insulation tube
Inside is provided with supporter, and the support meanss that quantity is two are arranged with above support, and the support meanss include support
Disk, the support disk side are provided with the roller groove that quantity is four, bolt hole, the branch are provided with the middle part of the support disk
Hold round disk and be located at the side of the roller groove and be provided with connecting cylinder, bolt, the bolt hole and the company are provided with the bolt hole
Connect cylinder is connected with the bolt thread simultaneously, and the connecting cylinder is provided with the connection end that quantity is four, the connection end
The first movable axis is provided with, first movable axis is provided with connecting rod, and the one end of the connecting rod away from the connecting rod is set
There is the second movable axis, second movable axis is provided with roller, and the roller is located in the roller groove, outside the support disk
Portion is provided with some with the perpendicular support bar of above support, the support bar outer wrap rubber sleeve, in the support bar
Portion is provided with support ring, and the support ring is adapted with the roller, and the support bar is pasted onto on the rubber sleeve inwall, described
Rubber sleeve is only contacted with above support and is not connected to.
Further, the hollow insulation tube includes straightway and curved section, and the full skirt is located at the straightway.
Further, above support is made up of an elongated plastic ties coiling bonding, and the length of above support is more than
The length of the hollow insulation tube.
Further, the hollow insulation tube and the reinforcing ring are made by silica gel.
Further, the radius of the support disk is equal to the radius of above support plus the radius of roller.
Further, the side of the support disk away from the roller groove is provided with handle.
Further, the roller is provided with rubber blanket.
Further, the bolt is provided with nuts, and cross fluting is provided with the nuts.
Beneficial effects of the present invention：By setting support meanss so that during transport and storage, can greatly subtract
Lacked the probability that supporter is deformed due to the radial pressure of hollow insulation tube, so as to ensure that between supporter without departing from
Bond, add the fastness of supporter, reduce the generation rate of waste product, effectively avoid some unnecessary economic damages
Lose, when in use, first with screwdriver, allow bolt to be separated with connecting cylinder, at this moment connecting rod is in the presence of the first movable axis
It can be moved, roller can unclamp inconsistent support ring, be rolled in roller groove, support ring comes off, and support bar drops, now clearly
The object in supporter is managed out, allows cooling terminal to be set on cable and completes installation, it is simple to operate, it is easy to promote, also, pass through
Reinforcing ring is equipped with the both ends of cooling terminal, the reinforcing rope that will not be deformed is provided between reinforcing ring, rope is reinforced and is wrapped in
Inside hollow insulation tube so that hollow insulation tube can be elongated after installation, and if occurring to be in for a long time after installation
Extended state reinforces the cylinder that rope is wound can be elongated, and reinforcing the body diameter that rope is formed can diminish, so that plus
Gu rope can more firmly bundle hollow insulation tube, the resistance to property pullled of hollow insulation tube is greatly added, is made hollow
The sealing at the both ends of insulation tube greatly increases, and reduces the probability of steam entrance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the 10KV cables cooling terminal of convenience in transport according to embodiments of the present invention；
Fig. 2 is the structural representation that rope is reinforced in the 10KV cables cooling terminal of convenience in transport according to embodiments of the present invention
Figure；
Fig. 3 is the sectional view of the 10KV cables cooling terminal of convenience in transport according to embodiments of the present invention；
Fig. 4 is the structural representation of the support meanss of the 10KV cables cooling terminal of convenience in transport according to embodiments of the present invention
Figure.
In figure：
1st, hollow insulation tube；2nd, full skirt；3rd, rope is reinforced；4th, reinforcing ring；5th, supporter；6th, support meanss；7th, branch is held round
Disk；8th, roller groove；9th, bolt hole；10th, connecting cylinder；11st, bolt；12nd, connection end；13rd, the first movable axis；14th, connecting rod；
15th, the second movable axis；16th, roller；17th, support bar；18th, rubber sleeve；19th, support ring；20th, straightway；21st, curved section；22nd,
Hand；23rd, rubber blanket；24th, nuts；25th, cross is slotted.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained, belong to what the present invention protected
Scope.
According to an embodiment of the invention, there is provided a kind of 10KV cables cooling terminal of convenience in transport.
As Figure 1-4, the 10KV cables cooling terminal of a kind of convenience in transport according to embodiments of the present invention, including it is hollow
Insulation tube 1, the hollow insulation tube 1 are externally provided with some full skirts 2, and the hollow inside of insulation tube 1 is described embedded with reinforcing rope 3
The inside that rope 3 is wrapped in the hollow insulation tube 1 is reinforced, the both ends of the hollow insulation tube 1 are equipped with reinforcing ring 4, described
Reinforce rope 3 to be connected with the reinforcing ring 4, the hollow inside of insulation tube 1 is provided with supporter 5, symmetrically sets in above support 5
There are the support meanss 6 that quantity is two, the support meanss 6 include support disk 7, and support disk 7 side is provided with quantity
For the roller groove 8 of four, the middle part of support disk 7 is provided with bolt hole 9, and the support disk 7 is located at the one of the roller groove 8
Side is provided with connecting cylinder 10, is provided with bolt 11 in the bolt hole 9, the bolt hole 9 and the connecting cylinder 10 and meanwhile with the spiral shell
Bolt 11 is threadedly coupled, and it is the connection end 12 of four that the connecting cylinder 10, which is provided with quantity, and the connection end 12 is provided with the
One movable axis 13, first movable axis 13 are provided with connecting rod 14, the one end of the connecting rod 14 away from the connecting rod 14
Provided with the second movable axis 15, second movable axis 15 is provided with roller 16, and the roller 16 is located in the roller groove 8, institute
State the outside of support disk 7 and be provided with some and perpendicular support bar 17 of above support 5, the outer wrap of support bar 17 has rubber
Gum cover 18, the inside of support bar 17 are provided with support ring 19, and the support ring 19 is adapted with the roller 16, the support bar
17 are pasted onto on the inwall of rubber sleeve 18, and the rubber sleeve 18 and above support 5, which contacts, to be not connected to.
, can be by setting support meanss 6 by the such scheme of the present invention so that during transport and storage,
The probability that supporter 5 is deformed due to the radial pressure of hollow insulation tube 1 can be greatly reducing, so as to ensure that supporter
Without departing from bonding between 5, the fastness of supporter 5 is added, reduces the generation rate of waste product, effectively avoids some not
Necessary economic loss, when in use, first with screwdriver, bolt 11 is allowed to be separated with connecting cylinder 10, at this moment connecting rod 14 exists
It can be moved in the presence of first movable axis 13, roller 16 can unclamp inconsistent support ring 19, be rolled in roller groove 8, branch
Pushing out ring 19 comes off, and support bar 17 drops, and now cleans out the object in supporter 5, allows cooling terminal to be set on cable and completes
Installation, it is simple to operate, it is easy to promote, also, by being equipped with reinforcing ring 4 at the both ends of cooling terminal, be provided between reinforcing ring 4
The reinforcing rope 3 that will not be deformed, reinforce rope 3 and be wrapped in inside hollow insulation tube 1 so that hollow insulation tube 1 after installation
Can be elongated, and if generation long-time can be elongated in the cylinder that extended state reinforcing rope 3 is wound after installation, add
Gu the diameter for the cylinder that rope 3 is formed can diminish, so that hollow insulation tube can more firmly be bundled by reinforcing rope 3
1, the resistance to property pullled of hollow insulation tube 1 is greatly added, making the sealing at the both ends of hollow insulation tube 1 greatly increases, and subtracts
The probability of steam entrance is lacked.
In addition, in one embodiment, for hollow insulation tube 1, the hollow insulation tube 1 includes the He of straightway 20
Curved section 21, the full skirt 2 are located at the straightway 20.Using the program so that hollow insulation tube 1 can be installed conveniently, and
And the adhesive force between hollow insulation tube 1 and cable can be increased.
In addition, in one embodiment, for supporter 5, above support 5 is coiled viscous by an elongated plastic ties
Close and form, the length of above support 5 is more than the length of the hollow insulation tube 1.Using the program so that when hollow insulation tube
1 when be set on cable, and supporter 5 can be pulled by fag end from hollow insulation tube 1.
In addition, in one embodiment, for hollow insulation tube 1, the hollow insulation tube 1 and the reinforcing ring 4
It is made by silica gel.Using the program so that what the powerful elastic recovery force of hollow insulation tube 1 can be tightly is combined with cable,
The retraction force of reinforcing ring 4 is more than the retraction force of hollow insulation tube 1, being capable of entering in the extraneous steam of the position of reinforcing ring 4 isolation
Enter.
In addition, in one embodiment, for support disk 7, the radius of the support disk 7 is plus roller 16
Radius is equal to the radius of above support 5.Using the program so that what roller 16 rolled in the roller groove 8 on support disk 7
When, can be tightly allow they sup-port to live supporter 5, so as to allow supporter 5 to resist the radial direction pressure of hollow insulation tube 1
Power.
In addition, in one embodiment, for support disk 7, the support disk 7 is away from the roller groove 8
Side is provided with handle 22.Using the program so that support disk 7 is when installing and unloading by an impetus, increase
Installation and the convenience unloaded.
In addition, in one embodiment, for roller 16, the roller 16 is provided with rubber blanket 23.Using the party
Case so that using rubber blanket 23 is set on roller 16, the frictional force of roller 16 and support ring 19 is greatly added, so as between
What is connect adds the fastness of supporter 5.
In addition, in one embodiment, for bolt 11, the bolt 11 is provided with nuts 24, the bolt
Cross fluting 25 is provided with cap 24.Using the program so that bolt 11 can be easily by nuts 24 and nuts 24
Cross fluting 25 is rotated, and so as to easily install and unload support meanss 6, is added for the installation of support meanss 6
Convenience.
In addition, in one embodiment, for support meanss 6, support meanss 6 are being pacified for product can be recycled
After installing a cooling terminal, support meanss 6 may be used as in next cooling terminal, greatly add the cooling terminal
Environmental-protecting performance.
In summary, by means of the above-mentioned technical proposal of the present invention, by setting support meanss 6 so that transporting and storing up
During depositing, the probability that supporter 5 is deformed due to the radial pressure of hollow insulation tube 1 can be greatly reducing, so as to
It ensure that between supporter 5 without departing from bonding, add the fastness of supporter 5, reduce the generation rate of waste product, effectively
Some unnecessary economic losses are avoided, when in use, first with screwdriver, allow bolt 11 to be separated with connecting cylinder 10, this
When connecting rod 14 can be moved in the presence of the first movable axis 13, roller 16 can unclamp inconsistent support ring 19, roller
Rolled in groove 8, support ring 19 comes off, and support bar 17 drops, and now cleans out the object in supporter 5, allows cooling terminal to be arranged
Installation is completed on cable, it is simple to operate, it is easy to promote, also, by being equipped with reinforcing ring 4 at the both ends of cooling terminal, add
Gu being provided with the reinforcing rope 3 that will not deform between ring 4, reinforce rope 3 and be wrapped in inside hollow insulation tube 1 so that installation with
Hollow insulation tube 1 can be elongated afterwards, and if occurring to reinforce what rope 3 was wound in extended state for a long time after installation
Cylinder can be elongated, reinforces the diameter for the cylinder that rope 3 is formed and can diminish, so that reinforcing rope 3 can more firmly tie
Hollow insulation tube 1 is pinioned, greatly adds the resistance to property pullled of hollow insulation tube 1, makes the sealing at the both ends of hollow insulation tube 1
Greatly increase, reduce the probability of steam entrance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (8)
1. the 10KV cables cooling terminal of a kind of convenience in transport, it is characterised in that described hollow exhausted including hollow insulation tube (1)
Edge pipe (1) is externally provided with some full skirts (2), is embedded with inside the hollow insulation tube (1) and reinforces rope (3), the reinforcing rope (3)
The inside of the hollow insulation tube (1) is wrapped in, the both ends of the hollow insulation tube (1) are equipped with reinforcing ring (4), the reinforcing
Rope (3) is connected with the reinforcing ring (4), and supporter (5) is provided with inside the hollow insulation tube (1), and above support (5) is interior
The support meanss (6) that quantity is two are arranged with, the support meanss (6) include support disk (7), the support disk
(7) side is provided with the roller groove (8) that quantity is four, is provided with bolt hole (9) in the middle part of the support disk (7), the branch is held round
The side that disk (7) is located at the roller groove (8) is provided with connecting cylinder (10), and bolt (11), the spiral shell are provided with the bolt hole (9)
Keyhole (9) and the connecting cylinder (10) while it is threadedly coupled with the bolt (11), the connecting cylinder (10) is provided with quantity
The connection end (12) of four, the connection end (12) are provided with the first movable axis (13), on first movable axis (13)
Provided with connecting rod (14), the one end of the connecting rod (14) away from the connecting rod (14) is provided with the second movable axis (15), described
Second movable axis (15) is provided with roller (16), and the roller (16) is located in the roller groove (8), the support disk (7)
Outside is provided with some and perpendicular support bar (17) of above support (5), support bar (17) the outer wrap rubber sleeve
(18) support ring (19), is provided with inside the support bar (17), the support ring (19) is adapted with the roller (16), described
Support bar (17) is pasted onto on the rubber sleeve (18) inwall, and the rubber sleeve (18) only contacts with above support (5) not to be connected
Connect.
2. the 10KV cables cooling terminal of convenience in transport according to claim 1, it is characterised in that the hollow insulation tube
(1) straightway (20) and curved section (21) are included, the full skirt (2) is located at the straightway (20).
3. the 10KV cables cooling terminal of convenience in transport according to claim 1, it is characterised in that above support (5)
It is made up of an elongated plastic ties coiling bonding, the length of above support (5) is more than the length of the hollow insulation tube (1).
4. the 10KV cables cooling terminal of convenience in transport according to claim 1, it is characterised in that the hollow insulation tube
(1) it is made with the reinforcing ring (4) by silica gel.
5. the 10KV cables cooling terminal of convenience in transport according to claim 1, it is characterised in that the support disk
(7) radius is equal to the radius of above support (5) plus the radius of roller (16).
6. the 10KV cables cooling terminal of convenience in transport according to claim 1, it is characterised in that the support disk
(7) side away from the roller groove (8) is provided with handle (22).
7. the 10KV cables cooling terminal of convenience in transport according to claim 1, it is characterised in that on the roller (16)
Provided with rubber blanket (23).
8. the 10KV cables cooling terminal of convenience in transport according to claim 1, it is characterised in that on the bolt (11)
Provided with nuts (24), cross fluting (25) is provided with the nuts (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165452.5A CN107834495B (en) | 2017-11-21 | 2017-11-21 | A kind of cooling terminal of the 10KV cable of convenient transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711165452.5A CN107834495B (en) | 2017-11-21 | 2017-11-21 | A kind of cooling terminal of the 10KV cable of convenient transportation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107834495A true CN107834495A (en) | 2018-03-23 |
| CN107834495B CN107834495B (en) | 2019-11-12 |
Family
ID=61653184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711165452.5A Active CN107834495B (en) | 2017-11-21 | 2017-11-21 | A kind of cooling terminal of the 10KV cable of convenient transportation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107834495B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429553A (en) * | 2019-06-26 | 2019-11-08 | 安徽伊法拉电气有限公司 | A kind of 10kV shrinkage cable indoor terminal |
| CN111555202A (en) * | 2020-06-01 | 2020-08-18 | 戴文忠 | Novel assembly of cable accessories device |
| CN111585242A (en) * | 2019-02-19 | 2020-08-25 | 安徽省浩辉电力技术有限公司 | Full-cold-shrinkage cable terminal |
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| CN1255252A (en) * | 1997-04-07 | 2000-05-31 | 皮尔利电缆公司 | Connecting cord junction |
| JP2001037064A (en) * | 1999-07-14 | 2001-02-09 | Furukawa Electric Co Ltd:The | Shrinking and attaching method for normal temperature shrinkable cylindrical component |
| US20100012350A1 (en) * | 2008-07-15 | 2010-01-21 | Markus Hardi | Reinforcing Support Element For A Resilient Sheath |
| CN103812075A (en) * | 2012-11-14 | 2014-05-21 | 江苏澳能电力电缆附件有限公司 | Cable chilling shrinkage terminal |
| CN106475442A (en) * | 2016-10-11 | 2017-03-08 | 西南石油大学 | A kind of rotatable tubing machine with roller |
| CN106848988A (en) * | 2017-04-17 | 2017-06-13 | 苏州鼎鑫冷热缩材料有限公司 | A kind of chilling shrink type cable accessory |
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|---|---|---|---|---|
| CN1255252A (en) * | 1997-04-07 | 2000-05-31 | 皮尔利电缆公司 | Connecting cord junction |
| JP2001037064A (en) * | 1999-07-14 | 2001-02-09 | Furukawa Electric Co Ltd:The | Shrinking and attaching method for normal temperature shrinkable cylindrical component |
| US20100012350A1 (en) * | 2008-07-15 | 2010-01-21 | Markus Hardi | Reinforcing Support Element For A Resilient Sheath |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585242A (en) * | 2019-02-19 | 2020-08-25 | 安徽省浩辉电力技术有限公司 | Full-cold-shrinkage cable terminal |
| CN111585242B (en) * | 2019-02-19 | 2021-07-16 | 安徽省浩辉电力技术有限公司 | Full-cold-shrinkage cable terminal |
| CN110429553A (en) * | 2019-06-26 | 2019-11-08 | 安徽伊法拉电气有限公司 | A kind of 10kV shrinkage cable indoor terminal |
| CN111555202A (en) * | 2020-06-01 | 2020-08-18 | 戴文忠 | Novel assembly of cable accessories device |
| CN111555202B (en) * | 2020-06-01 | 2021-04-09 | 戴文忠 | Novel assembly of cable accessories device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107834495B (en) | 2019-11-12 |
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Address after: 236800 Tangwang Avenue and Weisan Road Intersection of Bozhou Bowu Modern Industrial Park, Anhui Province Patentee after: Anhui yifala Electric Co.,Ltd. Address before: 236800 Tangwang Avenue and Weisan Road Intersection of Bozhou Bowu Modern Industrial Park, Anhui Province Patentee before: ANHUI YIFALA ELECTRICAL Co.,Ltd. |
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