CN107633920A - A kind of production technology of VR virtual realities high speed connecting line - Google Patents
A kind of production technology of VR virtual realities high speed connecting line Download PDFInfo
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- CN107633920A CN107633920A CN201710840213.9A CN201710840213A CN107633920A CN 107633920 A CN107633920 A CN 107633920A CN 201710840213 A CN201710840213 A CN 201710840213A CN 107633920 A CN107633920 A CN 107633920A
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Abstract
The present invention relates to a kind of production technology of VR virtual realities high speed connecting line, comprise the technical steps that successively：Pair twist forms USB low speed twisted pair wire groups；Power line and signal cabling；Cohesion zygonema group is twisted；It polymerize non-overlapping wrapped one layer of belting layer a outside line group inside；High speed c-axial is made；Outer polymerization line group is twisted；It polymerize wrapped one layer of belting layer b outside line group outside；One layer of winding layer is wound outside belting layer b；One layer of restrictive coating is extruded outside winding layer；Take-up.The present invention solves the problems, such as to need that external diameter is bigger together, can not use using several different cable direct combinations in the prior art, the signal wire used is HDMI high-definition digital signal wires, and use several different types of electric wires such as USB low speed twisted pair wire and power line, it reduces product integral hardness, reduce product external diameter, facilitate client to assemble separated time.
Description
Technical field：
The present invention relates to connection cables field, more particularly to a kind of production of VR virtual realities high speed connecting line
Technique.
Background technology：
In the connection cables of electrical equipment, it is sometimes desirable to high-definition digital signal connecting line cable, USB low speed signals line and electricity
Several different types of electric wires such as source transmission line, therefore existing structure all needs to use several different cables, and several are different
External diameter is again bigger together for cable direct combination, can not use.For case above, it is necessary to develop a kind of VR virtual realities
The production technology of high speed connecting line solves the above problems.
The content of the invention：
The purpose of the present invention is in view of the deficiencies of the prior art, there is provided a kind of life of VR virtual realities high speed connecting line
Production. art, solve needs using several different cable direct combinations that external diameter is bigger together, can not use in the prior art
The problem of, the signal wire that the present invention uses is HDMI high-definition digital signal wires, and several using USB low speed twisted pair wire and power line etc.
The different types of electric wire of kind, which reduces product integral hardness, reduces product external diameter again, also facilitates client and assembles separated time.
The technology solution of the present invention is as follows：
A kind of production technology of VR virtual realities high speed connecting line, comprises the following steps；
(1) choose 7 a diameter of 0.083 ± 0.008mm tinned wird c and be twisted to form stranded conductor, then
One layer of twisted wire FEP insulating barrier is coated in the periphery of stranded conductor and forms twisted wire group, the external diameter of twisted wire group for 0.40 ±
0.05mm；Choose 7 a diameter of 0.083 ± 0.008mm tinned wirds d and be twisted to form ground wire, from two twisted wires
Group and a ground wire, by two twisted wire groups and a ground wire, pair twist forms USB low speed twisted pair wire groups, pair twister on pair twister
Rotating speed be 3000r/min~4000r/min；Pair twister is twisted to lay 5-10mm, pair twister is that bouble-bow band twists using counterclockwise
Close.
(2) choose 7 a diameter of 0.083 ± 0.008mm tinned wird b and be twisted to form power lead, then
One layer of power supply FEP insulating barrier, which is coated, in the periphery of power lead forms power line；Choose 7 a diameter of 0.05 ± 0.008mm platings
Gun-metal line simultaneously is twisted to form signal conductor, then in the periphery one layer signal insulating barrier FEP shapes of cladding of signal conductor
Into signal wire.
(3) four power lines and two signal wires in selecting step (2), one group of USB low speed pair in selecting step (1)
Twisted wire group, four power lines are positioned opposite two-by-two in left and right, filled out between two power lines in left side and two power lines on right side
Filled with a cotton thread, one group of signal wire, four power supplys are respectively equipped between USB low speed twisted pair wire groups and the power line of the left and right sides
One group of cotton thread is provided between line and USB low speed twisted pair wire groups；The good line group of arranged is formed into cohesion by the way that single twist cabling machine is twisted
Zygonema group, single twist cabling machine is using counterclockwise twisted, lay 20-30mm.
(4) non-overlapping wrapped one layer of belting layer a outside polymerization line group, belting layer a use PTFE foaming bands, belting layer a inside
External diameter be 1.6mm；When wrapped using clockwise it is non-overlapping wrapped, lay of lapping 15-25mm, do not have between often being enclosed due to band
Have it is overlapping, so between band bend when have cushion space, cohesion zygonema group integrally can be soft, and belting layer a thickness is
0.05mm, width 3mm.
(5) choose 7 a diameter of 0.05 ± 0.008mm tinned wird e and be twisted to form high speed concentric conductor,
The floor height speed coaxial layer of insulation FEP of high speed concentric conductor outer cladding one, is twined outside high speed coaxial layer of insulation using 41 tinned wird f
Around the coaxial winding layer of floor height speed, in the coaxial copper foil layer of the coaxial floor height speed of winding layer outer cladding one and the coaxial heat of floor height speed at a high speed
Molten polyester belt；So as to form high speed c-axial, it is produced using winding band baking all-in-one, and wrapped anti-clockwise, winding twists
Away from for 5-10mm, clockwise about copper-clad paper tinsel, wrapped hot-melt polyester band counterclockwise, three layers once wrapped to complete and toasts sizing.
(6) eight high speed c-axials in selecting step (5), five signal wires in selecting step (2), selecting step
(1) five ground wires and cotton thread in, eight four groups of high speed c-axials point, every group of two high speed c-axials, eight high speed c-axials
Respectively using A1~A8 as mark, wherein A1 and A2 are first group, A3 and A4 are second group, A5 and A6 are the 3rd group, A7 and A8
For the 4th group, two signal wires and one group of cotton thread are provided between first group and second group；Two are provided between second group and the 3rd group
Root signal wire and one group of cotton thread；A signal wire and two ground wires are provided between 3rd group and the 4th group；4th group and first group
Between be provided with three ground wires, form outer polymerization line group using high speed cage winch is twisted by the line group after above-mentioned arranged；At a high speed
Cage winch is using twisted counterclockwise, 40 ± 10mm of lay, eight high speed c-axials, five signal wires, five ground wires and cotton thread point
Shi Yong not lossless pre- back twist mode active unwrapping wire.
(7) it polymerize wrapped one layer of belting layer b outside line group outside, belting layer b uses aluminium foil, and belting layer b external diameter is
2.7mm；Wrapped and high speed cage winch synchronous production, wrapped, band Duplication >=25% counterclockwise.
(8) one layer of winding is wound using 70~80 a diameter of 0.10 ± 0.008mm tinned wird a outside belting layer b
Layer；Produced using vertical winding machine, wrapped anti-clockwise, lay 12-18mm.
(9) restrictive coating of one layer of PVC material is extruded outside winding layer, contactless radium-shine caliper is provided with extrusion
Determine outside dimension.
(10) size of contactless radium-shine caliper detection gauge or diameter of wire is provided with during take-up, is additionally provided with concavo-convex test
Instrument detects the sags and crests position of wire rod, ensures that wire rod is uniform；Whether the surface for being additionally provided with spark test instrument detection wire rod has breakage,
Ensure the quality of restrictive coating.
Preferably, the restrictive coating external diameter is 4.0 ± 0.2mm, restrictive coating thickness is 0.45mm.
Preferably, the thickness of the winding layer is 0.010 ± 0.008mm.
Preferably, the external diameter of the signal isolation layer is 0.30 ± 0.05mm；The external diameter of mains isolation layer be 0.40 ±
0.05mm。
Preferably, the external diameter of the high speed coaxial layer of insulation is 0.42 ± 0.05mm；The thickness of coaxial winding layer at a high speed
For 0.032 ± 0.008mm；The external diameter of coaxial hot-melt polyester belt is 0.52 ± 0.05mm at a high speed.
The beneficial effects of the present invention are：
The present invention solves and needs that external diameter is bigger together, nothing using several different cable direct combinations in the prior art
The problem of method uses, the signal wire that the present invention uses is HDMI high-definition digital signal wires, and uses USB low speed twisted pair wire and power supply
VR virtual reality high speed connecting lines are made in several different types of electric wires such as line.The present invention use novel production device, make horizontal scroll,
Two processes of band and baking are once completed to improve production efficiency and yield, reduce production loss and processing cost；Using
PTFE foaming bands do the separation of cohesion zygonema group and outer polymerization line group, that is, reduce product integral hardness and reduce product external diameter again
Also facilitate client assemble separated time, while using PTFE foaming band, when wrapped using clockwise it is non-overlapping wrapped, lay of lapping is
15-25mm, does not have overlapping between often being enclosed due to band, so having a cushion space when being bent between band, cohesion zygonema group is overall
Can be soft.
The USB low speed twisted pair wires group of the present invention selects two twisted wire groups and a ground wire, by two twisted wire groups and one
Root ground wire pair twist on pair twister is formed, and the rotating speed of pair twister is 3000r/min~4000r/min；Pair twister is using counterclockwise
Twist to lay 5-10mm, pair twister is that bouble-bow band is twisted, and rotating speed is twice of common single twist cabling machine, and production efficiency is higher.
The high speed c-axial of the present invention, it is produced using winding band baking all-in-one, wrapped anti-clockwise, and winding lay is
5-10mm, clockwise about copper-clad paper tinsel, wrapped hot-melt polyester band counterclockwise, three layers once wrapped to complete and toasts sizing, reduces and damages
Consumption, improve product yield and production efficiency.
The outer polymerization line group of the present invention is formed using high speed cage winch is twisted；High speed cage winch is using twisted counterclockwise, strand
Away from 40 ± 10mm, eight high speed c-axials, five signal wires, five ground wires and cotton thread are opened using lossless pre- back twist mode is permanent respectively
Advocate to move unwrapping wire, that is, ensure cored wire laying tension stable and consistent, make cored wire unstressed generation in twisting again, it is whole to reduce product
Body stiffness, improve the mechanical performance of product.
Brief description of the drawings：
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the cohesion zygonema group of the present invention and belting layer a structural representation；
Fig. 3 is the structural representation of the high speed c-axial of the present invention；
Symbol description in figure：I-cohesion zygonema group；II-it polymerize line group outside；1-restrictive coating；2-winding layer；3-band
Layer a；4-belting layer b；5-power line；501-power lead；502-mains isolation layer；6-signal wire；601-signal is led
Line；602-signal isolation layer；7-USB low speed twisted pair wire groups；701-stranded conductor；702-it is twisted line insulating layer；8-cotton
Line；9-high speed c-axial；901-high speed concentric conductor；902-high speed coaxial layer of insulation；The coaxial winding layer of 903-high speed；
The coaxial copper foil layer of 904-high speed；The coaxial hot-melt polyester belt of 905-high speed；10-ground wire.
Embodiment：
Embodiment, see accompanying drawing 1~3, a kind of production technology of VR virtual realities high speed connecting line, comprise the following steps；
(1) choose 7 a diameter of 0.083mm tinned wird c and be twisted to form stranded conductor 701, then twisting
The periphery for closing wire coats the twisted formation of the line insulating layer 702 twisted wire groups of one layer of FEP, and the external diameter of twisted wire group is 0.40mm；Choosing
Take 7 a diameter of 0.083mm tinned wirds d and be twisted to form ground wire 10, will from two twisted wire groups and a ground wire
Two twisted wire groups and a ground wire pair twist on pair twister form USB low speed twisted pair wires group 7, and the rotating speed of pair twister is 3500r/
min；Pair twister is twisted to lay 8mm, pair twister is that bouble-bow band is twisted using counterclockwise.In diagram, two twisted wire groups respectively with
D1 and D2 is as mark.Twisted line insulating layer in actual production in D1~D2 is distinguish between using white and green successively.
(2) choose 7 a diameter of 0.083mm tinned wird b and be twisted to form power lead 501, then in electricity
The periphery of source wire coats one layer of FEP mains isolations layer 502 and forms power line 5, and the external diameter of mains isolation layer is 0.40mm；Choose
7 a diameter of 0.05mm Tinplated copper alloys lines simultaneously are twisted to form signal conductor 601, then in the periphery cladding of signal conductor
One layer of FEP signal isolations layer 602 forms signal wire 6, and the external diameter of signal isolation layer is 0.30mm.
(3) four power lines and two signal wires in selecting step (2), one group of USB low speed pair in selecting step (1)
Twisted wire group, four power lines are positioned opposite two-by-two in left and right, filled out between two power lines in left side and two power lines on right side
Filled with a cotton thread 9, one group of signal wire, four electricity are respectively equipped between USB low speed twisted pair wire groups and the power line of the left and right sides
One group of cotton thread is provided between source line and USB low speed twisted pair wire groups；In the good line group of arranged is formed by the way that single twist cabling machine is twisted
It polymerize line group I, single twist cabling machine is using counterclockwise twisted, lay 25mm.
In as shown, four power lines are used as mark using C1, C2, C3 and C4 respectively；Wherein C1 and C2, C3 and C4 are in left and right
It is arranged symmetrically, and one group of cotton thread 8 is filled between C2 and C3, is also filled between C1, C2, C3, C4 and USB low speed twisted pair wire group
A piece cotton thread 8.Mains isolation layer in actual production in C1~C4 is respectively adopted yellow, blueness, red and black and is subject to successively
Distinguish.
(4) non-overlapping wrapped one layer of belting layer a3 outside polymerization line group, belting layer a use PTFE foaming bands, belting layer a inside
External diameter be 1.6mm；When wrapped using clockwise it is non-overlapping wrapped, lay of lapping 20mm, do not have between often being enclosed due to band
Overlapping, so having cushion space when being bent between band, cohesion zygonema group integrally can be soft, and belting layer a thickness is
0.05mm, width 3mm.
(5) choose 7 a diameter of 0.05 ± 0.008mm tinned wird e and be twisted to form high speed concentric conductor
901, in one layer of FEP high speeds coaxial layer of insulation 902 of high speed concentric conductor outer cladding, plated outside high speed coaxial layer of insulation using 41
Tin copper cash f winds the coaxial winding layer 903 of floor height speed, and the thickness of coaxial winding layer is 0.032mm at a high speed；In coaxial winding at a high speed
The coaxial coaxial hot-melt polyester belt 905 of the floor height of copper foil layer 904 and one speed of layer outer cladding one floor height speed；The external diameter of high speed c-axial layer
It is 0.42mm；The external diameter of coaxial hot-melt polyester belt is 0.52mm at a high speed, and so as to form high speed c-axial 9, it is wrapped using winding
Band baking all-in-one production, wrapped anti-clockwise, winding lay is 8mm, clockwise about copper-clad paper tinsel, wrapped hot-melt polyester counterclockwise
Band, three layers once wrapped to complete and toasts sizing.
(6) eight high speed c-axials in selecting step (5), five signal wires in selecting step (2), selecting step
(1) five ground wires and cotton thread 8 in, eight four groups of high speed c-axials point, every group of two high speed c-axials, eight high speed c-axials
Respectively using A1~A8 as mark, wherein A1 and A2 are first group, A3 and A4 are second group, A5 and A6 are the 3rd group, A7 and A8
For the 4th group, two signal wires and one group of cotton thread are provided between first group and second group；Two are provided between second group and the 3rd group
Root signal wire and one group of cotton thread；A signal wire and two ground wires are provided between 3rd group and the 4th group；4th group and first group
Between be provided with three ground wires, form outer polymerization line group II using high speed cage winch is twisted by the line group after above-mentioned arranged；It is high
Fast cage winch is using twisted counterclockwise, lay 40mm, eight high speed c-axials, five signal wires, five ground wires and cotton thread difference
Use lossless pre- back twist mode active unwrapping wire；Palm fibre is respectively adopted in the coaxial belting layer of high speed in actual production in A1~A8 successively
Color, blueness, yellow, purple, green, white, orange and black are distinguish between.
In as shown, two signal wires in cohesion zygonema group are used as mark using B6 and B7 respectively；The five of outer polymerization line group
Root signal wire is used as mark using B1, B2, B3, B4 and B5 respectively.Signal isolation layer in actual production in B1~B7 is distinguished successively
It is distinguish between using white, green, red, black, yellow, brown and blueness.
(7) it polymerize wrapped one layer of belting layer b4 outside line group outside, belting layer b uses aluminium foil, and belting layer b external diameter is
2.7mm；Wrapped and high speed cage winch synchronous production, wrapped, band Duplication >=25% counterclockwise.
(8) one layer of winding layer 2 is wound using 78 a diameter of 0.10mm tinned wird a outside belting layer b；Winding layer
Thickness is 0.10mm, is produced using vertical winding machine, wrapped anti-clockwise, lay 18mm.
(9) restrictive coating 1 of one layer of PVC material is extruded outside winding layer, restrictive coating external diameter is 4.0mm, and restrictive coating thickness is
0.45mm, outside dimension is determined provided with contactless radium-shine caliper in Extrusion.
(10) size of contactless radium-shine caliper detection gauge or diameter of wire is set during take-up, is additionally provided with concavo-convex tester
The sags and crests position of wire rod is detected, ensures that wire rod is uniform；Whether the surface for being additionally provided with spark test instrument detection wire rod has breakage, protects
Demonstrate,prove the quality of restrictive coating.
Above-described embodiment is the specific descriptions carried out to the present invention, simply the present invention is further described, it is impossible to manage
Solve as limiting the scope of the present invention, it is nonessential that those skilled in the art according to the content of foregoing invention makes some
Modifications and adaptations are each fallen within protection scope of the present invention.
Claims (5)
- A kind of 1. production technology of VR virtual realities high speed connecting line, it is characterised in that：Comprise the following steps；(1) choose 7 a diameter of 0.083 ± 0.008mm tinned wird c and be twisted to form stranded conductor, then twisting The periphery for closing wire coats one layer of twisted wire FEP insulating barriers formation twisted wire group, and the external diameter of twisted wire group is 0.40 ± 0.05mm； Choose 7 a diameter of 0.083 ± 0.008mm tinned wirds d and be twisted to form ground wire, from two twisted wire groups and one Ground wire, by two twisted wire groups and a ground wire, pair twist forms USB low speed twisted pair wire groups on pair twister, and the rotating speed of pair twister is 3000r/min~4000r/min；Pair twister is twisted to lay 5-10mm, pair twister is that bouble-bow band is twisted using counterclockwise；(2) choose 7 a diameter of 0.083 ± 0.008mm tinned wird b and be twisted to form power lead, then in electricity The periphery of source wire coats one layer of power supply FEP insulating barrier and forms power line；Choose 7 a diameter of 0.05 ± 0.008mm tin-coated coppers Alloy wire simultaneously is twisted to form signal conductor, then forms letter in the periphery one layer signal insulating barrier FEP of cladding of signal conductor Number line；(3) four power lines and two signal wires in selecting step (2), one group of USB low speed twisted pair wire in selecting step (1) Group, four power lines are positioned opposite two-by-two in left and right, are filled between two power lines in left side and two power lines on right side A piece cotton thread, is respectively equipped with one group of signal wire between USB low speed twisted pair wire groups and the power line of the left and right sides, four power lines with One group of cotton thread is provided between USB low speed twisted pair wire groups；The good line group of arranged is formed into cohesion zygonema by the way that single twist cabling machine is twisted Group, single twist cabling machine is using counterclockwise twisted, lay 20-30mm；(4) non-overlapping wrapped one layer of belting layer a outside polymerization line group, belting layer a use PTFE foaming bands inside, and belting layer a's is outer Footpath is 1.6mm；Using non-overlapping wrapped, lay of lapping 15-25mm clockwise when wrapped, without weight between often being enclosed due to band Folded, so having cushion space when being bent between band, cohesion zygonema group integrally can be soft, and belting layer a thickness is 0.05mm, width 3mm；(5) choose 7 a diameter of 0.05 ± 0.008mm tinned wird e and be twisted to form high speed concentric conductor, at a high speed The floor height speed coaxial layer of insulation FEP of concentric conductor outer cladding one, one is wound using 41 tinned wird f outside high speed coaxial layer of insulation The coaxial winding layer of floor height speed, it is poly- in the coaxial copper foil layer of the coaxial floor height speed of winding layer outer cladding one and the coaxial hot melt of floor height speed at a high speed Ester belt；So as to form high speed c-axial, it is produced using winding band baking all-in-one, wrapped anti-clockwise, and winding lay is 5-10mm, clockwise about copper-clad paper tinsel, wrapped hot-melt polyester band counterclockwise, three layers once wrapped to complete and toasts sizing；(6) eight high speed c-axials in selecting step (5), five signal wires in selecting step (2), in selecting step (1) Five ground wires and cotton thread, four groups of eight high speed c-axials point, every group of two high speed c-axials, eight high speed c-axials respectively with A1~A8 is as mark, and wherein A1 and A2 are first group, A3 and A4 are second group, A5 and A6 are the 3rd group, A7 and A8 are the 4th Group, two signal wires and one group of cotton thread are provided between first group and second group；Two signals are provided between second group and the 3rd group Line and one group of cotton thread；A signal wire and two ground wires are provided between 3rd group and the 4th group；Set between 4th group and first group There are three ground wires, outer polymerization line group is formed using high speed cage winch is twisted by the line group after above-mentioned arranged；High speed cage winch Using being twisted counterclockwise, 40 ± 10mm of lay, eight high speed c-axials, five signal wires, five ground wires and cotton thread use respectively Lossless pre- back twist mode active unwrapping wire；(7) it polymerize wrapped one layer of belting layer b outside line group outside, belting layer b uses aluminium foil, and belting layer b external diameter is 2.7mm；Around Bag and high speed cage winch synchronous production, wrapped, band Duplication >=25% counterclockwise；(8) one layer of winding layer is wound using 70~80 a diameter of 0.10 ± 0.008mm tinned wird a outside belting layer b；Adopt Produced with vertical winding machine, wrapped anti-clockwise, lay 12-18m；(9) restrictive coating of one layer of PVC material is extruded outside winding layer, extrudes to be provided with contactless radium-shine caliper in journey and determine and determines Outside dimension；(10) size that contactless radium-shine caliper surveys gauge or diameter of wire is provided with during take-up, is additionally provided with concavo-convex tester detection The sags and crests position of wire rod, ensure that wire rod is uniform；Whether the surface for being additionally provided with spark test instrument detection wire rod has breakage, ensures shield The quality of jacket layer.
- A kind of 2. production technology of VR virtual realities high speed connecting line according to claim 1, it is characterised in that：The shield Jacket layer external diameter is 4.0 ± 0.2mm, and restrictive coating thickness is 0.45mm.
- A kind of 3. production technology of VR virtual realities high speed connecting line according to claim 1, it is characterised in that：It is described to twine The thickness of winding layer is 0.10 ± 0.008mm.
- A kind of 4. production technology of VR virtual realities high speed connecting line according to claim 1, it is characterised in that：The letter The external diameter of number insulating barrier is 0.30 ± 0.05mm；The external diameter of mains isolation layer is 0.40 ± 0.05mm.
- A kind of 5. production technology of VR virtual realities high speed connecting line according to claim 1, it is characterised in that：The height The external diameter of fast coaxial layer of insulation is 0.42 ± 0.05mm；The thickness of coaxial winding layer is 0.032 ± 0.008mm at a high speed；It is same at a high speed The external diameter of axle hot-melt polyester belt is 0.52 ± 0.05mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109147993A (en) * | 2018-09-27 | 2019-01-04 | 昆山信昌电线电缆有限公司 | Low pressure automobile inverted image instrument cable |
| CN110648803A (en) * | 2019-09-24 | 2020-01-03 | 邰国芳 | Preparation method of automobile oxygen sensor wire |
| CN113793730A (en) * | 2021-08-25 | 2021-12-14 | 乐庭电线工业（惠州）有限公司 | Preparation process of VR high-speed connecting line |
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| JP2009158308A (en) * | 2007-12-26 | 2009-07-16 | Nippon Seisen Kk | Composite cable for communication |
| CN105913895A (en) * | 2016-06-15 | 2016-08-31 | 江苏通光电子线缆股份有限公司 | High-speed difference cable and preparation method thereof |
| CN106356119A (en) * | 2016-11-28 | 2017-01-25 | 江苏亨通电子线缆科技有限公司 | Charging pile electric cable for new energy |
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| JP2009158308A (en) * | 2007-12-26 | 2009-07-16 | Nippon Seisen Kk | Composite cable for communication |
| CN105913895A (en) * | 2016-06-15 | 2016-08-31 | 江苏通光电子线缆股份有限公司 | High-speed difference cable and preparation method thereof |
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| CN109147993A (en) * | 2018-09-27 | 2019-01-04 | 昆山信昌电线电缆有限公司 | Low pressure automobile inverted image instrument cable |
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| CN113793730A (en) * | 2021-08-25 | 2021-12-14 | 乐庭电线工业（惠州）有限公司 | Preparation process of VR high-speed connecting line |
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| CN107633920B (en) | 2019-03-22 |
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