CN105976930A - Anti-counterfeit cable - Google Patents

Anti-counterfeit cable Download PDF

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Publication number
CN105976930A
CN105976930A CN201610431731.0A CN201610431731A CN105976930A CN 105976930 A CN105976930 A CN 105976930A CN 201610431731 A CN201610431731 A CN 201610431731A CN 105976930 A CN105976930 A CN 105976930A
Authority
CN
China
Prior art keywords
cable
printing opacity
film
counterfeit
false film
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.)
Pending
Application number
CN201610431731.0A
Other languages
Chinese (zh)
Inventor
薛菁华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGYIN KAIBO COMMUNICATION TECHNOLOGY Co Ltd
Original Assignee
JIANGYIN KAIBO COMMUNICATION TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGYIN KAIBO COMMUNICATION TECHNOLOGY Co Ltd filed Critical JIANGYIN KAIBO COMMUNICATION TECHNOLOGY Co Ltd
Priority to CN201610431731.0A priority Critical patent/CN105976930A/en
Publication of CN105976930A publication Critical patent/CN105976930A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/02Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/443Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
    • H01B3/445Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/36Insulated conductors or cables characterised by their form with distinguishing or length marks
    • H01B7/368Insulated conductors or cables characterised by their form with distinguishing or length marks being a sleeve, ferrule, tag, clip, label or short length strip

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention discloses an anti-counterfeit cable, which comprises an inner conductor, a polytetrafluoroethylene insulating layer, an outer conductor layer and a sheath, wherein the polytetrafluoroethylene insulating layer, the outer conductor layer and the sheath sequentially coat the inner conductor; the inner conductor is formed by twisting bare copper wires; the cable is provided with a bending area; a plurality of annular support sheets are arranged outside the sheath of the bending area along the axial direction; and the outside of the plurality of annular support sheets is bonded to an anti-bending elastic latex sleeve. The impedance can be reduced by arranging the inner conductor as the bare copper wire, and the transmission performance of the cable is improved. Meanwhile, the flexibility of the cable can be further strengthened in a twisting manner; and the insulating effect can be improved by the polytetrafluoroethylene insulating layer. The anti-bending elastic latex sleeve is arranged on the outer wall of the sheath and the anti-bending elastic latex sleeve is not easily bent to deform when the cable is bent in the bending area, so that further bending is inhibited; the bending radius of the cable can be improved; and the damage to a wire rod caused by an overlarge bending angle per unit length is reduced.

Description

A kind of anti-counterfeiting cable
Technical field
The present invention relates to a kind of anti-counterfeiting cable.
Background technology
It is known that radio frequency coaxial-cable is indispensable element in various radio communications system and electronic equipment, it is widely applied with aspects such as broadcast, TV, radar, navigation, computer and instrument in radio communication.Growing along with communication technology, requirement to radio-frequency cable is more and more higher, not only require have higher electric shield performance to it is also desirable to have preferable mechanical resistance bending fatigue degree, require relatively low impedance to also require that cable has certain flexibility simultaneously, and the insulating properties between internal and external conductor are also required to improve simultaneously.Meanwhile, cable wire fake and forged on market is also a lot, needs to improve further anti-counterfeit measures.Prior art is badly in need of that a kind of electric conductivity is good, flexible and bend resistance cable of good performance.
Summary of the invention
It is an object of the invention to overcome defect present in prior art, it is provided that a kind of electric conductivity is good, flexible and bend resistance cable of good performance.
For achieving the above object, the technical scheme is that and provide a kind of anti-counterfeiting cable, described anti-counterfeiting cable includes inner wire and is wrapped in teflon insulation layer, outer conductor layer and the sheath of inner wire successively;Described inner wire is formed by bare copper wire is stranded;Described cable is provided with bending region, is provided with multiple annular brace sheet outside the sheath in described bending region vertically, and the outside of the plurality of annular brace sheet is bonding with bend resistance elastic emulsion set.
Impedance can be reduced by inner wire being set to bare copper wire, improving the transmission performance of cable.The most stranded mode can further enhance the flexibility of cable, and polytetrafluoroethylmaterial material insulating barrier can improve insulation effect.By arranging bend resistance elastic emulsion set on sheath outer wall, at cable bending region bending when, bend resistance elastic emulsion overlaps the most pliable deformation and suppresses further to bend, and can improve the bending radius of cable folding, reduces the excessive damage bringing wire rod of unit length bending angle.
As preferably, institute's inner wire is formed by 7 bare copper wires are stranded, described inner wire overall diameter size 0.23 ~ 0.31mm.Such design is the further optimization to scheme.
As preferably, described outer conductor layer is bare copper wire braid, described outer conductor layer overall diameter size 0.1 ~ 1.13mm.Such design is the further optimization to scheme.
As preferably, described annular brace sheet includes that the radiation radially extended along cable connects sheet and the support being arranged on radiation connection sheet outer rim coaxial with cable is connected sheet, it is cylindrical in shape that described support connects sheet, described radiation connects sheet ringwise, it is one-body molded with sheath with support connection sheet that described radiation connects sheet, and described bend resistance elastic emulsion set inwall is bonding with supporting connection sheet.Such structure is beneficial to bend resistance elastic emulsion set and is connected sheet connection with supporting, and this structure high resilience.
As preferably, cable anti false film it is additionally provided with outside described sheath, described cable anti false film includes the first printing opacity anti false film, Protective film, selective membrane and the second printing opacity anti false film that overlapping combinations uses each other, described first printing opacity anti false film is provided with the first two-dimension code anti-counterfeit figure, described second printing opacity anti false film is provided with the second two-dimension code anti-counterfeit figure, described Protective film is white films, and described selective membrane is the white films offering selection window;Described first printing opacity anti false film is with under Protective film overlap condition, and the first two-dimension code anti-counterfeit figure is visual;Described second printing opacity anti false film is successively with under selective membrane and Protective film overlap condition, and the second two-dimension code anti-counterfeit figure is visual;Under described first printing opacity anti false film and the second printing opacity anti false film film overlap condition, the first two-dimension code anti-counterfeit figure and the second two-dimension code anti-counterfeit figure overlapping combinations form the false proof figure of combined two-dimension code;Described second printing opacity anti false film is successively with under selective membrane and the first printing opacity anti false film overlap condition, and combination is formed and selects two-dimension code anti-counterfeit figure.Such design is beneficial to be differentiated the true and false of cable by anti false film.
As preferably, the first printing opacity anti false film, Protective film, selective membrane and the second printing opacity anti false film set gradually, and by adhesive linkage temporary bond between adjacent film;Temporary bond between such design beneficially film is fixed and uncovers combination.
As preferably, described first printing opacity anti false film and the second printing opacity anti false film upper end upwardly extend and are formed and the annular connecting portion of cable socket, and the opening part of described annular connecting portion forms fixed bonding portion by hot stamping.Such design is beneficial to and cable connects fixing, will not leave behind binding agent, have certain positioning function simultaneously after dismounting.
As preferably, described first printing opacity anti false film and the second printing opacity anti false film bottom have been provided with limit film;The lower end of described anti false film and Protective film is downwardly extending ring seal structure.Uncovering of such design beneficially film, beneficially production and processing.
Advantages of the present invention and having the beneficial effects that: impedance can be reduced by inner wire being set to bare copper wire, improving the transmission performance of cable.The most stranded mode can further enhance the flexibility of cable, and polytetrafluoroethylmaterial material insulating barrier can improve insulation effect.By arranging bend resistance elastic emulsion set on sheath outer wall, at cable bending region bending when, bend resistance elastic emulsion overlaps the most pliable deformation and suppresses further to bend, and can improve the bending radius of cable folding, reduces the excessive damage bringing wire rod of unit length bending angle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is cable anti false film structural representation of the present invention;
Fig. 3 is structure enlarged diagram at A in Fig. 2;
Fig. 4 is structure enlarged diagram at B in Fig. 2;
Fig. 5 is structure enlarged diagram at C in Fig. 2;
Fig. 6 is anti false film overlapping combinations structural representation;
Fig. 7 is structure enlarged diagram at A in Fig. 1.
In figure: 1, inner wire;2, teflon insulation layer;3, outer conductor layer;4, sheath;5, bend resistance elastic emulsion set;6, radiation connects sheet;7, connection sheet is supported;51, the first printing opacity anti false film;52, Protective film;53, selective membrane;54, the second printing opacity anti false film;55, the first two-dimension code anti-counterfeit figure;56, the second two-dimension code anti-counterfeit figure;57, the false proof figure of combined two-dimension code;58, two-dimension code anti-counterfeit figure is selected;59, adhesive linkage;60, annular connecting portion;61, fixed bonding portion;62, limit film is played;63, ring seal structure;64, selection window.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, the detailed description of the invention of the present invention is further described.Following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
As shown in Fig. 1-Fig. 7, a kind of anti-counterfeiting cable, described anti-counterfeiting cable includes inner wire 1 and is wrapped in the teflon insulation layer 2 of inner wire 1, outer conductor layer 3 and sheath 4 successively;Described inner wire 1 is formed by bare copper wire is stranded;Described cable is provided with bending region, and the sheath 4 in described bending region is outside is provided with multiple annular brace sheet vertically, and it is bonding that the outside of the plurality of annular brace sheet overlaps 5 with bend resistance elastic emulsion.
Institute's inner wire 1 is formed by 7 bare copper wires are stranded, described inner wire 1 overall diameter size 0.23 ~ 0.31mm.
Described outer conductor layer 3 is bare copper wire braid, described outer conductor layer 3 overall diameter size 0.1 ~ 1.13mm.
Described annular brace sheet includes that the radiation radially extended along cable connects sheet 6 and the support being arranged on radiation connection sheet 6 outer rim coaxial with cable is connected sheet 7, it is cylindrical in shape that described support connects sheet 7, described radiation connects sheet 6 ringwise, it is one-body molded with sheath 4 that described radiation connection sheet 6 and support connect sheet 7, and it is bonding with supporting connection sheet 7 that described bend resistance elastic emulsion overlaps 5 inwalls.
In use, impedance can be reduced by inner wire 1 being set to bare copper wire, improving the transmission performance of cable.The most stranded mode can further enhance the flexibility of cable, and polytetrafluoroethylmaterial material insulating barrier can improve insulation effect.By arranging bend resistance elastic emulsion set 5 on sheath 4 outer wall, at cable bending region bending when, bend resistance elastic emulsion overlaps 5 the most pliable deformation and suppresses further to bend, the bending radius of cable folding can be improved, reduce the excessive damage that wire rod is brought of unit length bending angle.
As optimization, described sheath 4 is outside is additionally provided with cable anti false film, described cable anti false film includes the first printing opacity anti false film 51, Protective film 52, selective membrane 53 and the second printing opacity anti false film 54 that overlapping combinations uses each other, described first printing opacity anti false film 51 is provided with first two-dimension code anti-counterfeit Figure 55, described second printing opacity anti false film 54 is provided with second two-dimension code anti-counterfeit Figure 56, described Protective film 52 is white films, and described selective membrane 53 is the white films offering selection window 64;Described first printing opacity anti false film 51 is with under Protective film 52 overlap condition, and first two-dimension code anti-counterfeit Figure 55 is visual;Described second printing opacity anti false film 54 is successively with under selective membrane 53 and Protective film 52 overlap condition, and second two-dimension code anti-counterfeit Figure 56 is visual;Under described first printing opacity anti false film 51 and the second printing opacity anti false film 54 film overlap condition, first two-dimension code anti-counterfeit Figure 55 and second two-dimension code anti-counterfeit Figure 56 overlapping combinations form the false proof Figure 57 of combined two-dimension code;Described second printing opacity anti false film 54 is successively with under selective membrane 53 and the first printing opacity anti false film 51 overlap condition, and combination is formed and selects two-dimension code anti-counterfeit Figure 58.
First printing opacity anti false film 51, Protective film 52, selective membrane 53 and the second printing opacity anti false film 54 set gradually, and by adhesive linkage 59 temporary bond between adjacent film;
Described first printing opacity anti false film 51 and the second printing opacity anti false film 54 upper end upwardly extend and are formed and the annular connecting portion 60 of cable socket, and the opening part of described annular connecting portion 60 forms fixed bonding portion 61 by hot stamping.
Described first printing opacity anti false film 51 and the second printing opacity anti false film 54 bottom have been provided with limit film 62;The lower end of described anti false film and Protective film 52 is downwardly extending ring seal structure 63.
When false proof, the first printing opacity anti false film 51, Protective film 52, selective membrane 53 and the second printing opacity anti false film 54 set gradually, and by adhesive linkage 59 temporary bond between adjacent film;Now can read first two-dimension code anti-counterfeit Figure 55 by the lap fit of the first printing opacity anti false film 51 with Protective film 52 at the visual angle, side of the first printing opacity anti false film 51;Can be overlapping with selective membrane 53 and Protective film 52 successively by the second printing opacity anti false film 54 at the second visual angle, printing opacity anti false film 54 side, read second two-dimension code anti-counterfeit Figure 56;
First printing opacity anti false film 51 is uncovered by playing limit film 62, again Protective film 52 is uncovered, then the first printing opacity anti false film 51, selective membrane 53 and the second printing opacity anti false film 54 is overlapping, at the second printing opacity anti false film 54 side-looking angle, the selection window 64 of selective membrane 53 have chosen the figure on part the first two-dimension code anti-counterfeit Figure 55, and selected figure overlaps with second two-dimension code anti-counterfeit Figure 56 to be formed again and selects two-dimension code anti-counterfeit Figure 58.
Protective film 52 and selective membrane 53 are removed between the first printing opacity anti false film 51 and the second printing opacity anti false film 54, first printing opacity anti false film 51 and the second printing opacity anti false film 54 lap fit, first two-dimension code anti-counterfeit Figure 55 and second two-dimension code anti-counterfeit Figure 56 overlapping combinations are formed the false proof Figure 57 of combined two-dimension code.
So the storage of cable anti false film and four groups of anti-counterfeiting information, expand anti-counterfeiting information amount, adds forgery cost and difficulty.Annular connecting portion 60 is beneficial to cable anti false film assembly and is connected with cable fixing, and certain fixing and positioning action can play in fixed bonding portion 61, is possible to prevent its position sideslip during the first printing opacity anti false film 51 is uncovered and put back to;Selective membrane 53 can be completed processing in a white films by Protective film 52 by ring seal structure 63, it is simple to assemble processing.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, front lower without departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims (4)

1. an anti-counterfeiting cable, it is characterised in that: described anti-counterfeiting cable includes inner wire and is wrapped in teflon insulation layer, outer conductor layer and the sheath of inner wire successively;Described inner wire is formed by bare copper wire is stranded;Described cable is provided with bending region, is provided with multiple annular brace sheet outside the sheath in described bending region vertically, and the outside of the plurality of annular brace sheet is bonding with bend resistance elastic emulsion set.
2. anti-counterfeiting cable as claimed in claim 1, it is characterized in that: described annular brace sheet includes that the radiation radially extended along cable connects sheet and the support being arranged on radiation connection sheet outer rim coaxial with cable is connected sheet, it is cylindrical in shape that described support connects sheet, described radiation connects sheet ringwise, it is one-body molded with sheath with support connection sheet that described radiation connects sheet, and described bend resistance elastic emulsion set inwall is bonding with supporting connection sheet.
3. anti-counterfeiting cable as claimed in claim 2, it is characterised in that: institute's inner wire is formed by 7 bare copper wires are stranded, described inner wire overall diameter size 0.23 ~ 0.31mm;Described outer conductor layer is bare copper wire braid, described outer conductor layer overall diameter size 0.1 ~ 1.13mm.
4. anti-counterfeiting cable as claimed in claim 3, it is characterized in that: described sheath is externally provided with cable anti false film, described cable anti false film includes the first printing opacity anti false film, Protective film, selective membrane and the second printing opacity anti false film that overlapping combinations uses each other, described first printing opacity anti false film is provided with the first two-dimension code anti-counterfeit figure, described second printing opacity anti false film is provided with the second two-dimension code anti-counterfeit figure, described Protective film is white films, and described selective membrane is the white films offering selection window;Described first printing opacity anti false film is with under Protective film overlap condition, and the first two-dimension code anti-counterfeit figure is visual;Described second printing opacity anti false film is successively with under selective membrane and Protective film overlap condition, and the second two-dimension code anti-counterfeit figure is visual;Under described first printing opacity anti false film and the second printing opacity anti false film film overlap condition, the first two-dimension code anti-counterfeit figure and the second two-dimension code anti-counterfeit figure overlapping combinations form the false proof figure of combined two-dimension code;Described second printing opacity anti false film is successively with under selective membrane and the first printing opacity anti false film overlap condition, and combination is formed and selects two-dimension code anti-counterfeit figure.
CN201610431731.0A 2016-06-17 2016-06-17 Anti-counterfeit cable Pending CN105976930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610431731.0A CN105976930A (en) 2016-06-17 2016-06-17 Anti-counterfeit cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610431731.0A CN105976930A (en) 2016-06-17 2016-06-17 Anti-counterfeit cable

Publications (1)

Publication Number Publication Date
CN105976930A true CN105976930A (en) 2016-09-28

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Family Applications (1)

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Country Status (1)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107882877A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of false proof bearing holder (housing, cover)
CN107883075A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of polyfluortetraethylene pipe provided with elastic construction
CN107874327A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of false proof warm-up
CN107882869A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of roller provided with conical surface boss
CN107883078A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of polytetrafluoroethylene (PTFE) pressure-bearing pipe
CN107883080A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of ptfe composite pipe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201590199U (en) * 2009-12-11 2010-09-22 武汉威杜信息材料科技有限公司 Combined type anti-counterfeiting label
CN203941713U (en) * 2014-05-29 2014-11-12 江阴市江南氟塑有限公司 A kind of insulating barrier that is provided with spiral brace
CN203941704U (en) * 2014-05-21 2014-11-12 江阴市江南氟塑有限公司 A kind of naked copper wire insulation cable
CN105225744A (en) * 2015-09-23 2016-01-06 广西资优电气设备有限公司 A kind of Anti-pressure cable
CN204965916U (en) * 2015-09-25 2016-01-13 成都通通印防伪票证标签有限公司 Double -deck two -dimensional code antifalsification label

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201590199U (en) * 2009-12-11 2010-09-22 武汉威杜信息材料科技有限公司 Combined type anti-counterfeiting label
CN203941704U (en) * 2014-05-21 2014-11-12 江阴市江南氟塑有限公司 A kind of naked copper wire insulation cable
CN203941713U (en) * 2014-05-29 2014-11-12 江阴市江南氟塑有限公司 A kind of insulating barrier that is provided with spiral brace
CN105225744A (en) * 2015-09-23 2016-01-06 广西资优电气设备有限公司 A kind of Anti-pressure cable
CN204965916U (en) * 2015-09-25 2016-01-13 成都通通印防伪票证标签有限公司 Double -deck two -dimensional code antifalsification label

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107882877A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of false proof bearing holder (housing, cover)
CN107883075A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of polyfluortetraethylene pipe provided with elastic construction
CN107874327A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of false proof warm-up
CN107882869A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of roller provided with conical surface boss
CN107883078A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of polytetrafluoroethylene (PTFE) pressure-bearing pipe
CN107883080A (en) * 2016-09-30 2018-04-06 江阴林格科技有限公司 A kind of ptfe composite pipe

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Application publication date: 20160928