CN111899928A - Anti-static anti-interference PVC data line and preparation and forming method thereof - Google Patents

Anti-static anti-interference PVC data line and preparation and forming method thereof Download PDF

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Publication number
CN111899928A
CN111899928A CN202010690203.3A CN202010690203A CN111899928A CN 111899928 A CN111899928 A CN 111899928A CN 202010690203 A CN202010690203 A CN 202010690203A CN 111899928 A CN111899928 A CN 111899928A
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Prior art keywords
layer
data line
interference
protection sleeve
sleeve
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CN202010690203.3A
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CN111899928B (en
Inventor
余崇威
刘雪峰
山海建
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Zhejiang Haining Hejin Electronic Technology Co ltd
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Zhejiang Haining Hejin Electronic Technology Co ltd
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    • 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
    • H01B11/00Communication cables or conductors
    • 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
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; 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
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • 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
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806Protection against damage caused by corrosion
    • 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
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2813Protection against damage caused by electrical, chemical or water tree deterioration
    • 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
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/292Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • 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
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame

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  • Communication Cables (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Insulated Conductors (AREA)

Abstract

The invention discloses an anti-static anti-interference PVC data line and a preparation and forming method thereof, wherein the anti-static anti-interference PVC data line comprises a plurality of twisted inner protection line bodies and outer protection layers wrapping the inner protection line bodies; the inner protection wire body comprises a wire body, an inner protection sleeve is sleeved on the outer surface of the wire body, an outer protection sleeve is sleeved outside the inner protection sleeve, a gap is reserved between the inner protection sleeve and the outer protection sleeve, the outer wall of the inner protection sleeve and the inner wall of the outer protection sleeve are fixed through connecting strips, the connecting strips are arranged in the gap in an annular array mode, and a metal shielding layer wraps the outer surface of the outer protection sleeve; the outer protective layer is sequentially wrapped with a fiber layer, an insulating layer, an electromagnetic shielding layer and an outer protective layer from inside to outside. The data line prepared by the invention has good antistatic property and anti-electromagnetic interference property, so that the data line is suitable for long-term use in some environments with strong electromagnetism.

Description

Anti-static anti-interference PVC data line and preparation and forming method thereof
Technical Field
The invention relates to the technical field of data lines, in particular to an anti-static anti-interference PVC data line and a preparation and forming method thereof.
Background
The data line, which is a component necessary for connecting the hard disk and the motherboard, is usually sent when the motherboard is purchased. Each data line can only be connected with two IDE devices, and the existing data line can accumulate a large amount of static charges on the surface of the data line in a long-term use environment with strong electromagnetism, so that certain safety risk exists, and meanwhile, the electromagnetism can also cause certain influence on the service life of the electric wire.
Therefore, how to provide an anti-static and anti-interference PVC data line is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide an anti-static anti-interference PVC data line and a preparation and forming method thereof.
The anti-static anti-interference PVC data line comprises a plurality of twisted inner protection line bodies and an outer protection layer wrapping the inner protection line bodies, wherein the inner protection line bodies are arranged in a twisted mode;
the inner protection wire body comprises a wire body, an inner protection sleeve is sleeved on the outer surface of the wire body, an outer protection sleeve is sleeved outside the inner protection sleeve, a gap is reserved between the inner protection sleeve and the outer protection sleeve, the outer wall of the inner protection sleeve and the inner wall of the outer protection sleeve are fixed through connecting strips, the connecting strips are arranged in the gap in an annular array mode, and a metal shielding layer wraps the outer surface of the outer protection sleeve;
the outer protective layer is sequentially wrapped with a fiber layer, an insulating layer, an electromagnetic shielding layer and an outer protective layer from inside to outside.
Preferably, the lead body, the inner protective sleeve and the connecting strip are all made of modified materials mixed by thermoplastic polyurethane elastomer rubber, a high-molecular permanent antistatic agent and Polytetrafluoroethylene (PTFE), and the outer protective sleeve, the inner protective sleeve and the connecting strip are integrally formed by injection molding.
Preferably, the gap is filled with PP particles.
Preferably, the metal shielding layer is a brass net.
Preferably, the fiber layer is woven from silver fiber yarn.
Preferably, the insulating layer is a halogen-free low-smoke polyolefin insulating layer.
Preferably, the electromagnetic shielding layer is an FPC electromagnetic shielding film and the upper and lower surfaces of the electromagnetic shielding layer are coated with HSF54 type electromagnetic radiation shielding paint.
Preferably, the outer sheath layer is made of PVC material.
Preferably, the method comprises the following method steps:
s1, hinging a copper wire by a cable braiding machine to form the lead body, and simultaneously performing integrated injection molding on the inner protective sleeve, the outer protective sleeve and the connecting strip by using an injection molding machine, wherein a high-molecular permanent antistatic agent and Polytetrafluoroethylene (PTFE) can be added during injection molding;
s2, sleeving the lead body obtained in the step S1 in the inner protective sleeve, and filling PP flame-retardant antistatic particles in the gap;
s3, covering the outer surface of the outer protection sleeve in the S2 with a brass net to complete the single inner protection wire body;
s4, twisting the inner protective wire bodies prepared in the S1, and wrapping silver fiber radiation-proof cloth on the outer portions of the twisted inner protective wire bodies;
s5, coating the fiber layer of S4 with the insulating layer;
s6, spraying HSF54 type electromagnetic radiation shielding paint on two sides of the FPC electromagnetic shielding film, and then wrapping the FPC electromagnetic shielding film outside the insulating layer;
s7, wrapping the electromagnetic shielding layer with a PVC outer protective layer;
s8, placing the data wire obtained in S7 in a steam heating box for heating and forming treatment.
Compared with the prior art, the invention has the beneficial effects that:
(1) the wire body, the inner protective sleeve and the connecting strip are made of thermoplastic polyurethane elastomer rubber, and a high-molecular permanent antistatic agent and Polytetrafluoroethylene (PTFE) can be added during injection molding, so that the injection molded sheath can better prevent static electricity and simultaneously increase the physical properties of the sheath, such as wear resistance, lubrication, weather resistance and the like, and meanwhile, PP flame-retardant anti-static particles are filled in gaps, so that the heat-resistant flame-retardant effect can be achieved while the static electricity is prevented, and the static electricity can be comprehensively prevented from being generated among the wire bodies;
(2) the metal shielding layer is a brass net, the outermost part of each inner protection wire body is wrapped by the brass net, so that the single inner protection wire body is prevented from causing electrical interference to the inner protection wire body which is the single inner protection wire body after being twisted;
(3) the fiber layer is woven by silver fiber yarns, and the silver fiber radiation-proof cloth has the effect of blocking electromagnetic radiation, so that the influence of the electromagnetic radiation on the internal lead body can be greatly reduced, and meanwhile, the silver fiber is high in conductivity, and the anti-static effect can be further improved;
(4) electromagnetic shielding layer is FPC electromagnetic shield film, and the electromagnetic shielding layer upper and lower surface all scribbles HSF54 type electromagnetic radiation shielding coating, the holistic corrosion resistance of more effectual improvement data line, and chemical stability is high simultaneously, and extremely strong oxidation resistance is very high to be stained with the adhesion nature, can play very high guard action to data line is whole like this, can carry out insulation protection to the electromagnetic radiation that probably appears on the data line simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a data line structure of an anti-static anti-interference PVC data line and a manufacturing and forming method thereof according to the present invention;
fig. 2 is a schematic structural view of the inner protective wire body proposed in fig. 1 according to the present invention;
fig. 3 is a front view of the inner protective wire body proposed in fig. 1 of the present invention.
In the figure: 1-inner protective wire body, 11-wire body, 12-inner protective sleeve, 13-outer protective sleeve, 14-connecting strip, 15-antistatic particle, 16-metal shielding layer, 2-fiber layer, 3-insulating layer, 4-electromagnetic shielding layer and 5-outer protective layer.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-3, an anti-static anti-interference PVC data line includes a plurality of twisted inner protective line bodies 1 and an outer protective layer wrapped around the inner protective line bodies 1;
the inner protective wire body 1 comprises a wire body 11, an inner protective sleeve 12 is sleeved on the outer surface of the wire body 11, an outer protective sleeve 13 is sleeved outside the inner protective sleeve 12, a gap is reserved between the inner protective sleeve 12 and the outer protective sleeve 13, the outer wall of the inner protective sleeve 12 and the inner wall of the outer protective sleeve 13 are fixed through connecting strips 14, the connecting strips 14 are arranged in the gap in an annular array mode, and a metal shielding layer 16 wraps the outer surface of the outer protective sleeve 13;
the outer protective layer is sequentially wrapped with a fiber layer 2, an insulating layer 3, an electromagnetic shielding layer 4 and an outer protective layer 5 from inside to outside.
The insulating layer 3 is a halogen-free low-smoke polyolefin insulating layer 3, and the outer protective layer 5 of the outer protective layer 5 is made of PVC material. .
In order to increase the holistic antistatic behavior of data line, wire body 11, interior lag 12 and connecting strip 14 material are thermoplastic polyurethane elastomer rubber, can add permanent antistatic agent of polymer and polytetrafluoroethylene PTFE simultaneously when moulding plastics, make the sheath of moulding plastics good like this when better preventing static, also increase the wear-resisting of sheath simultaneously, it is lubricated, physical properties such as resistant time, simultaneously, the clearance intussuseption is filled with the fire-retardant antistatic particle 15 of PP, also can play the fire-retardant effect of hindering heat when antistatic, can be comprehensive prevent to produce static between the wire body 11.
In order to increase the overall anti-interference performance of the data line, the metal shielding layer 16 is a brass net, and the outermost part of each inner protective line body 1 is wrapped by the brass net, so that the single inner protective line body 1 is prevented from interfering the inner protective line body 1 which is twisted.
For the holistic interference immunity of further increase data line, fibrous layer 2 is worked out by silver fibre yarn, silver fibre radiation protection cloth has the effect of blockking electromagnetic radiation, reduction electromagnetic radiation that can be by a wide margin leads to the fact the influence to internal conductor body 11 like this, simultaneously, silver fibre is electrically conductive strong, can further promote antistatic effect, electromagnetic shield layer 4 is FPC electromagnetic shielding film, electromagnetic shield layer 4 upper and lower surface all scribbles HSF54 type electromagnetic radiation shielding coating, HSF54 type electromagnetic radiation shielding coating does not contain metal particle corrosion-resistant, the holistic corrosion resistance of more effectual improvement data line like this, simultaneously chemical stability is high, extremely strong oxidation resistance, very high adhesion, can play very high guard action to data line is whole like this, the electromagnetic radiation that can appear on the data line simultaneously carries out insulation protection.
The method comprises the following steps:
s1, hinging the copper wires by a cable braiding machine to form a lead body 11, and simultaneously performing integrated injection molding on the inner protective sleeve 12, the outer protective sleeve 13 and the connecting strip 14 by using an injection molding machine;
s2, sleeving the lead body 11 obtained in the step S1 in the inner protective sleeve 12, and filling PP flame-retardant antistatic particles 15 in gaps;
s3, covering the outer surface of the outer protective sleeve 13 in the S2 with a brass net to complete the single-body inner protective wire body 1;
s4, twisting a plurality of inner protective wire bodies 1 prepared in S1, and wrapping silver fiber radiation-proof cloth on the outer portions of the inner protective wire bodies;
s5, coating the fiber layer 2 of S4 with an insulating layer 3;
s6, spraying HSF54 type electromagnetic radiation shielding paint on two sides of the FPC electromagnetic shielding film, and then wrapping the FPC electromagnetic shielding film outside the insulating layer 3;
s7, wrapping the electromagnetic shielding layer 4 with a PVC outer protective layer 5;
s8, placing the data wire obtained in S7 in a steam heating box for heating and forming treatment.
The prepared data line has good antistatic property and anti-electromagnetic interference property, so that the data line is suitable for long-term use in some environments with strong electromagnetism.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (9)

1. The utility model provides an anti-static anti-interference PVC data line which characterized in that: the protective device comprises a plurality of twisted inner protective wire bodies and an outer protective layer wrapping the inner protective wire bodies;
the inner protection wire body comprises a wire body, an inner protection sleeve is sleeved on the outer surface of the wire body, an outer protection sleeve is sleeved outside the inner protection sleeve, a gap is reserved between the inner protection sleeve and the outer protection sleeve, the outer wall of the inner protection sleeve and the inner wall of the outer protection sleeve are fixed through connecting strips, the connecting strips are arranged in the gap in an annular array mode, and a metal shielding layer wraps the outer surface of the outer protection sleeve;
the outer protective layer is sequentially wrapped with a fiber layer, an insulating layer, an electromagnetic shielding layer and an outer protective layer from inside to outside.
2. The anti-static anti-interference PVC data line according to claim 1, characterized in that: the lead body, the inner protective sleeve and the connecting strip are all made of modified materials mixed by thermoplastic polyurethane elastomer rubber, a high-molecular permanent antistatic agent and polytetrafluoroethylene PTFE, and the outer protective sleeve, the inner protective sleeve and the connecting strip are integrally formed by injection molding.
3. The anti-static anti-interference PVC data line according to claim 1, characterized in that: the gap is filled with PP particles.
4. The anti-static anti-interference PVC data line according to claim 1, characterized in that: the metal shielding layer is a brass net.
5. The anti-static anti-interference PVC data line according to claim 1, characterized in that: the fiber layer is woven by silver fiber yarns.
6. The anti-static anti-interference PVC data line according to claim 1, characterized in that: the insulating layer is a halogen-free low-smoke polyolefin insulating layer.
7. The anti-static anti-interference PVC data line according to claim 1, characterized in that: the electromagnetic shielding layer is an FPC electromagnetic shielding film, and the upper surface and the lower surface of the electromagnetic shielding layer are coated with HSF54 type electromagnetic radiation shielding paint.
8. The anti-static anti-interference PVC data line according to claim 1, characterized in that: the outer protection layer of the outer protection layer is made of PVC materials.
9. The preparation and forming method of the antistatic anti-interference PVC data line according to any one of claims 1 to 8, characterized in that: the method comprises the following steps:
s1, hinging a copper wire by a cable braiding machine to form the lead body, and simultaneously performing integrated injection molding on the inner protective sleeve, the outer protective sleeve and the connecting strip by using an injection molding machine, wherein a high-molecular permanent antistatic agent and Polytetrafluoroethylene (PTFE) can be added during injection molding;
s2, sleeving the lead body obtained in the step S1 in the inner protective sleeve, and filling PP flame-retardant antistatic particles in the gap;
s3, covering the outer surface of the outer protection sleeve in the S2 with a brass net to complete the single inner protection wire body;
s4, twisting the inner protective wire bodies prepared in the S1, and wrapping silver fiber radiation-proof cloth on the outer portions of the twisted inner protective wire bodies;
s5, coating the fiber layer of S4 with the insulating layer;
s6, spraying HSF54 type electromagnetic radiation shielding paint on two sides of the FPC electromagnetic shielding film, and then wrapping the FPC electromagnetic shielding film outside the insulating layer;
s7, wrapping the electromagnetic shielding layer with a PVC outer protective layer;
s8, placing the data wire obtained in S7 in a steam heating box for heating and forming treatment.
CN202010690203.3A 2020-07-17 2020-07-17 Anti-static anti-interference PVC data line and preparation and forming method thereof Active CN111899928B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002245868A (en) * 2001-02-23 2002-08-30 Manryu Densen Denran Kofun Yugenkoshi Structure of signal transmission cable
CN203444856U (en) * 2013-07-10 2014-02-19 江苏亨通线缆科技有限公司 Anti-interference communication data cable for ships
CN107123474A (en) * 2017-04-28 2017-09-01 四川川东电缆有限责任公司 A kind of airport 400HZ intermediate-frequency low-consumption balances flexible cable and manufacture method
CN107325604A (en) * 2017-06-26 2017-11-07 武冈市合兴达电子科技有限公司 A kind of anti-interference data wire of high frequency
CN206649916U (en) * 2017-04-12 2017-11-17 武汉市宏泽电线电缆制造有限公司 A kind of armored type power cable with polyvinyl chloride insulating sheath
CN207116033U (en) * 2017-06-15 2018-03-16 北京恒昌国泰电线电缆有限公司 A kind of robot cable
CN109637706A (en) * 2018-11-23 2019-04-16 上海永进电缆(集团)有限公司 A kind of wind energy cable and its production technology
CN210039699U (en) * 2019-09-03 2020-02-07 重庆科飞线缆有限公司 Anti-radiation cable
CN210805335U (en) * 2019-11-27 2020-06-19 嘉兴翼波电子有限公司 Semi-flexible radio frequency coaxial cable of silver-plated copper strip winding structure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002245868A (en) * 2001-02-23 2002-08-30 Manryu Densen Denran Kofun Yugenkoshi Structure of signal transmission cable
CN203444856U (en) * 2013-07-10 2014-02-19 江苏亨通线缆科技有限公司 Anti-interference communication data cable for ships
CN206649916U (en) * 2017-04-12 2017-11-17 武汉市宏泽电线电缆制造有限公司 A kind of armored type power cable with polyvinyl chloride insulating sheath
CN107123474A (en) * 2017-04-28 2017-09-01 四川川东电缆有限责任公司 A kind of airport 400HZ intermediate-frequency low-consumption balances flexible cable and manufacture method
CN207116033U (en) * 2017-06-15 2018-03-16 北京恒昌国泰电线电缆有限公司 A kind of robot cable
CN107325604A (en) * 2017-06-26 2017-11-07 武冈市合兴达电子科技有限公司 A kind of anti-interference data wire of high frequency
CN109637706A (en) * 2018-11-23 2019-04-16 上海永进电缆(集团)有限公司 A kind of wind energy cable and its production technology
CN210039699U (en) * 2019-09-03 2020-02-07 重庆科飞线缆有限公司 Anti-radiation cable
CN210805335U (en) * 2019-11-27 2020-06-19 嘉兴翼波电子有限公司 Semi-flexible radio frequency coaxial cable of silver-plated copper strip winding structure

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Denomination of invention: Anti static and anti-interference PVC data cable and its preparation and molding method

Effective date of registration: 20231026

Granted publication date: 20220315

Pledgee: Huangwan sub branch of Zhejiang Haining Rural Commercial Bank Co.,Ltd.

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