CN111751946A - Layer-stranded ribbon optical cable with special-shaped structure - Google Patents
Layer-stranded ribbon optical cable with special-shaped structure Download PDFInfo
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- CN111751946A CN111751946A CN202010785893.0A CN202010785893A CN111751946A CN 111751946 A CN111751946 A CN 111751946A CN 202010785893 A CN202010785893 A CN 202010785893A CN 111751946 A CN111751946 A CN 111751946A
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- loose tube
- optical fiber
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4403—Optical cables with ribbon structure
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention belongs to the field of cables, and particularly relates to a layer stranded ribbon optical cable with a special-shaped structure, which is provided with an outer protective layer, a wrapping tape layer, at least three first loose tubes and a first reinforcing member, and is characterized in that a second hourglass-shaped containing cavity is formed in a main body of each first loose tube, connecting parts are respectively arranged on the left side and the right side of the main body of each first loose tube, semicircular protecting edges are respectively arranged on the upper side and the lower side of the main body of each first loose tube, the two protecting edges are respectively connected with the connecting parts on the left side and the right side, the protecting edges surround the main body of each first loose tube and form two first containing cavities, and optical fiber tape overlapping tapes are arranged in the two sub-containing cavities of the second hourglass-shaped containing; the invention has the advantages of simple structure, strong compression resistance, strong tensile property, large fiber core density, difficult deformation of the loose tube main body, no displacement of the optical fiber and the like; the invention solves the problem that the single loose tube of the middle-layer stranded ribbon optical cable in the prior art has poor compression resistance.
Description
Technical Field
The invention belongs to the field of cables, and particularly relates to a layer stranded ribbon optical cable with a special-shaped structure.
Background
The usage amount of the layer stranded ribbon optical cable serving as a connection carrier of a trunk network is increased year by year, and the requirement on the lateral pressure resistance of a loose tube is higher due to the high optical fiber density in the loose tube of the layer stranded ribbon optical cable.
In the prior art, for example, CN111175920A discloses a 5G network communication optical cable, which has a central reinforcement, a loose tube, a protective layer, an outer sheath, and an optical fiber, and is characterized in that the loose tube is composed of a first protective wall and a second protective wall, one end of the first protective wall is connected to one end of the second protective wall, the other end of the first protective wall is connected to the other end of the second protective wall, the loose tube is in a semi-cylindrical shape, a cavity is formed between the first protective wall and the second protective wall, the optical fiber is located in the cavity, two edges of the second protective wall are both tangent to the inner wall of the protective layer, a perpendicular bisector plane of the second protective wall of the loose tube passes through a top end straight line of the first protective wall of the loose tube and an axis of the central reinforcement, and a top end straight line of the first protective wall is attached to; adjacent loose tubes are tangent.
The above prior art has the following disadvantages: the loose tube main body is easily flattened under direct stress, thereby influencing the use of the optical cable.
Disclosure of Invention
In order to solve the above problems, the present invention discloses a layer stranded optical fiber ribbon cable with a special-shaped structure, which is realized by the following technical scheme.
A layer-stranded optical fiber ribbon cable with a special-shaped structure comprises an outer protective layer, a wrapping layer, at least three first loose tubes and first reinforcing members, the first loose tube is twisted outside the first reinforcing piece, the wrapping layer is positioned outside the twisted layer formed by the loose tube, the outer protective layer is extruded outside the wrapping layer, the novel loose tube is characterized in that the first loose tube is composed of a first loose tube main body, a second hourglass-shaped containing cavity is formed in the first loose tube main body, the second containing cavity is composed of two capacity dividing cavities, connecting parts are respectively arranged on the left side and the right side of the first loose tube main body, semicircular protective edges are respectively arranged on the upper side and the lower side of the first loose tube main body, the left end of the upper protective edge is connected with the left connecting part, the right end of the lower protective edge is connected with the right connecting part, the protective edges enclose the first loose tube main body, and two first cavities are formed, and the two sub-cavities of the hourglass-shaped second cavity are provided with optical fiber ribbon laminated bodies.
The layer stranded ribbon optical cable with the special-shaped structure is characterized in that the optical fiber ribbon laminated body is composed of at least two optical fiber ribbons, and the optical fiber ribbons are formed by combining at least two optical fibers.
The layer stranded optical fiber ribbon cable with the special-shaped structure is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
In the layer stranded ribbon optical cable with the special-shaped structure, optical fiber ribbons formed by combining different types of optical fibers can be arranged in the two capacity dividing cavities of the second capacity cavity, and the different types of optical fibers can be placed in the two capacity dividing cavities; the protective edges on the upper side and the lower side increase the lateral pressure resistance of the optical cable, when the optical cable receives large pressure, the protective edges are extruded and deformed, and the first loose tube main body in the optical cable is not stressed, so that the transmission performance of the optical fiber in the optical cable is not influenced.
The layer stranded ribbon optical cable with the special-shaped structure is characterized in that a second reinforcing piece is arranged in the first accommodating cavity, and the second reinforcing piece is made of steel wires or glass fiber rods.
In the layer stranded ribbon optical cable with the special-shaped structure, the tensile property and the compressive property of the first loose tube are enhanced, so that the layer stranded ribbon optical cable can adapt to a more severe working environment.
The layer stranded ribbon optical cable with the special-shaped structure is characterized in that a second supporting component is clamped between two sub-cavities of the second cavity, and the second supporting component is made of polypropylene.
Above-mentioned layer stranded ribbon optical cable with special-shaped structure, the second support component has been blocked between two partial volumes that hold the chamber in the second, can further strengthen first loose sheathed tube compressive capacity, also can prevent simultaneously that first loose sheathed tube main part from making the second hold the chamber to warp because of pressure is too big, influence the transmission performance of inside optic fibre, also can prevent that the optic fibre area that two partial volumes that the second held the chamber from shifting each other, cause the pressure fibre, make optic fibre additional attenuation grow or disconnected fine scheduling problem.
The layer stranded ribbon optical cable with the special-shaped structure is characterized in that a second loose tube is arranged in the first accommodating cavity, at least one optical fiber is arranged in the second loose tube, and the material of the second loose tube is polybutylene terephthalate or modified polypropylene.
The layer stranded ribbon optical cable with the special-shaped structure fully utilizes the space in the loose sleeve, increases the fiber core density of the optical cable, and simultaneously enables the optical cable to have two connection modes of an optical fiber ribbon and the optical cable, thereby meeting different construction requirements.
The layer stranded ribbon optical cable with the special-shaped structure is characterized in that each top angle of the upper side and the lower side of the outer part of the first loose tube main body forms a first supporting part, and the first supporting parts are in contact with the inner wall of the protective edge, so that the pressure resistance of the loose tube is further enhanced.
The layer-stranded ribbon optical cable with the special-shaped structure is characterized in that the outer protective layer material is low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The layer stranded optical fiber ribbon cable with the special-shaped structure is characterized in that the first reinforcing member is made of steel wires or glass fiber rods.
The layer stranded optical fiber ribbon cable with the special-shaped structure is characterized in that the first loose sleeve material is polybutylene terephthalate or modified polypropylene.
Therefore, the invention has the advantages of simple structure, strong compression resistance, strong tensile property, large fiber core density, difficult deformation of the loose tube main body, no displacement of the optical fiber and the like.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of a loose tube structure according to embodiments 1 to 4 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 5 is a schematic structural diagram of embodiment 4 of the present invention.
Fig. 6 is a schematic structural diagram of embodiment 5 of the present invention.
In the figure: 1. the optical fiber cable comprises an outer protection layer, 2 parts of a wrapping tape layer, 3 parts of a first loose tube, 31 parts of a protective edge, 32 parts of a first containing cavity, 33 parts of a first loose tube main body, 34 parts of a second containing cavity, 35 parts of a connecting part, 36 parts of a first supporting part, 4 parts of an optical fiber tape laminated body, 5 parts of a first reinforcing part, 6 parts of a second reinforcing part, 7 parts of a second supporting part and 8 parts of a second loose tube.
Detailed Description
Example 1
Referring to fig. 1 and 2, a layer stranded ribbon optical cable having a profile structure, includes an outer sheath 1, a tape layer 2, at least three first loose tubes 3 and first reinforcements 5, the first loose tube 3 is stranded outside the first reinforcements 5, the tape layer 2 is located outside a stranded layer formed by the loose tubes 3, the outer sheath 1 is extruded outside the tape layer 2, the cable is characterized in that the first loose tube 3 is composed of a first loose tube main body 33, a second cavity 34 having a hourglass shape is formed inside the first loose tube main body 33, the second cavity 34 is composed of two sub-cavities, a connecting part 35 is respectively arranged on each of the left and right sides of the first loose tube main body 33, a semicircular protecting edge 31 is respectively arranged on each of the upper and lower sides of the first loose tube main body 33, the left end of the upper protecting edge 31 is connected to the left connecting part 35, the right end of the lower protecting edge 31 is connected to the right connecting part 35, the protecting edge 31 encloses the first loose tube main body 33, and two first cavities 32 are formed, the two sub-cavities of the hourglass-shaped second cavity 34 are provided with the optical fiber ribbon tape body 4, the optical fiber ribbon tape body 4 is composed of at least two optical fiber ribbons, and the optical fiber ribbons are composed of at least two optical fibers.
In this embodiment, optical fiber ribbons formed by combining different types of optical fibers may be disposed in the two capacity dividing cavities of the second cavity 34, so that different types of optical fibers and types of optical fibers in the optical fiber ribbons can be placed; the protective edges 31 on the upper side and the lower side increase the lateral pressure resistance of the optical cable, when the optical cable receives larger pressure, the protective edges 31 are extruded and deformed, the first loose tube main body 33 in the optical cable is not stressed, and the transmission performance of the optical fiber in the optical cable is not affected.
Example 2
Referring to fig. 2 and 3, a layer stranded ribbon optical cable having a profile structure, includes an outer sheath 1, a tape layer 2, at least three first loose tubes 3 and first reinforcements 5, the first loose tube 3 is stranded outside the first reinforcements 5, the tape layer 2 is located outside a stranded layer formed by the loose tubes 3, the outer sheath 1 is extruded outside the tape layer 2, the cable is characterized in that the first loose tube 3 is composed of a first loose tube main body 33, a second cavity 34 having a hourglass shape is formed inside the first loose tube main body 33, the second cavity 34 is composed of two sub-cavities, a connecting part 35 is respectively arranged on each of the left and right sides of the first loose tube main body 33, a semicircular protecting edge 31 is respectively arranged on each of the upper and lower sides of the first loose tube main body 33, the left end of the upper protecting edge 31 is connected to the left connecting part 35, the right end of the lower protecting edge 31 is connected to the right connecting part 35, the protecting edge 31 encloses the first loose tube main body 33, and two first cavities 32 are formed, two sub-cavities of the hourglass-shaped second cavity 34 are provided with the optical fiber ribbon tape body 4, the optical fiber ribbon tape body 4 is composed of at least two optical fiber ribbons, the optical fiber ribbons are composed of at least two optical fibers, and the first cavities 32 are internally provided with second reinforcing parts 6.
The stranded optical fiber ribbon cable with the special-shaped structure in the embodiment is characterized in that the second reinforcing member 6 is made of steel wires or glass fiber rods.
This embodiment enhances the tensile and compressive properties of the first loose tube 3 to enable it to be adapted to more severe working environments.
Example 3
Referring to fig. 2 and 4, a layer stranded ribbon optical cable having a profile structure, includes an outer sheath 1, a tape layer 2, at least three first loose tubes 3 and first reinforcements 5, the first loose tube 3 is stranded outside the first reinforcements 5, the tape layer 2 is located outside a stranded layer formed by the loose tubes 3, the outer sheath 1 is extruded outside the tape layer 2, the cable is characterized in that the first loose tube 3 is composed of a first loose tube main body 33, a second cavity 34 having a hourglass shape is formed inside the first loose tube main body 33, the second cavity 34 is composed of two sub-cavities, a connecting part 35 is respectively arranged on each of the left and right sides of the first loose tube main body 33, a semicircular protecting edge 31 is respectively arranged on each of the upper and lower sides of the first loose tube main body 33, the left end of the upper protecting edge 31 is connected to the left connecting part 35, the right end of the lower protecting edge 31 is connected to the right connecting part 35, the protecting edge 31 encloses the first loose tube main body 33, two first cavities 32 are formed, the two sub-cavities of the hourglass-shaped second cavity 34 are provided with optical fiber ribbon tape bodies 4, each optical fiber ribbon tape body 4 is composed of at least two optical fiber ribbons, each optical fiber ribbon is composed of at least two optical fibers, a second reinforcing part 6 is arranged in each first cavity 32, and a second supporting part 7 is clamped between the two sub-cavities of the second cavity 34.
The layer stranded optical fiber ribbon cable with the special-shaped structure in the above embodiment is characterized in that the material of the second supporting part 7 is polypropylene.
In this embodiment, the second supporting member 7 is clamped between the two sub-cavities of the second cavity 34, so that the compression resistance of the first loose tube 3 can be further enhanced, and meanwhile, the second cavity 34 can be prevented from being deformed due to too large pressure of the first loose tube main body 33, which affects the transmission performance of the internal optical fiber, and the problems that the optical fiber ribbons in the two sub-cavities of the second cavity 34 are displaced from each other, which causes fiber compression, and the additional attenuation of the optical fiber is increased or the optical fiber is broken are also prevented.
Example 4
Referring to fig. 2 and 5, a layer stranded ribbon optical cable having a profile structure, includes an outer sheath 1, a tape layer 2, at least three first loose tubes 3 and first reinforcements 5, the first loose tube 3 is stranded outside the first reinforcements 5, the tape layer 2 is located outside a stranded layer formed by the loose tubes 3, the outer sheath 1 is extruded outside the tape layer 2, the cable is characterized in that the first loose tube 3 is composed of a first loose tube main body 33, a second cavity 34 having a hourglass shape is formed inside the first loose tube main body 33, the second cavity 34 is composed of two sub-cavities, a connecting part 35 is respectively arranged on each of the left and right sides of the first loose tube main body 33, a semicircular protecting edge 31 is respectively arranged on each of the upper and lower sides of the first loose tube main body 33, the left end of the upper protecting edge 31 is connected to the left connecting part 35, the right end of the lower protecting edge 31 is connected to the right connecting part 35, the protecting edge 31 encloses the first loose tube main body 33, and two first cavities 32 are formed, two sub-cavities of the hourglass-shaped second cavity 34 are provided with the optical fiber ribbon tape body 4, the optical fiber ribbon tape body 4 is composed of at least two optical fiber ribbons, each optical fiber ribbon is composed of at least two optical fibers, a second loose tube 8 is arranged in the first cavity 32, and at least one optical fiber is arranged in the second loose tube 8.
The optical fiber ribbon cable with the special-shaped structure in the above embodiment is characterized in that the material of the second loose tube 8 is polybutylene terephthalate or modified polypropylene.
In this embodiment, make full use of the space in the loose tube, increased the fibre core density of optical cable, made the optical cable can have two kinds of modes of continuing of optic fibre area and optical cable simultaneously, satisfied different construction demands.
Example 5
Referring to fig. 2 and 6, a layer stranded optical fiber ribbon cable having a profile structure, comprising an outer sheath 1, a cladding 2, at least three first loose tubes 3 and first reinforcing members 5, wherein the first loose tube 3 is stranded outside the first reinforcing members 5, the cladding 2 is disposed outside a stranded layer formed by the loose tubes 3, and the outer sheath 1 is extruded outside the cladding 2, characterized in that the first loose tube 3 is formed by a first loose tube main body 33, each top corner of the upper and lower sides of the outer portion of the first loose tube main body 33 is formed by a first supporting member 36, a second receiving chamber 34 having a hourglass shape is formed inside the first loose tube main body 33, the second receiving chamber 34 is formed by two separate chambers, the left and right sides of the first loose tube main body 33 are respectively provided with a connecting member 35, the upper and lower sides of the first loose tube main body 33 are respectively provided with a semicircular protecting edge 31, and the left end of the upper protecting edge 31 is connected with the left connecting member 35, the right-hand member and the right side adapting unit 35 of downside safe edge 31 link to each other, and safe edge 31 encloses first loose sleeve main part 33 inside to form two first chambeies 32, first supporting part 36 contacts with the inner wall of safe edge 31, two partial chambeies that the second of hourglass type holds chamber 34 are equipped with the optical fiber ribbon and fold the area body 4, the optical fiber ribbon folds the area body 4 and comprises two piece at least optical fiber ribbons, the optical fiber ribbon is formed by two piece at least optic fibers and takes, first intracavity is equipped with the loose sleeve pipe 8 of second in holding, is equipped with an optic fiber in the loose sleeve pipe 8 of second at least.
The optical fiber ribbon cable with the special-shaped structure in the above embodiment is characterized in that the material of the second loose tube 8 is polybutylene terephthalate or modified polypropylene.
This embodiment further enhances the compression resistance of the loose tube 3.
The optical fiber ribbon cable with the special-shaped structure in any embodiment is characterized in that the outer sheath 1 is made of low-density polyethylene or medium-density polyethylene or high-density polyethylene or flame-retardant polyolefin or polyvinyl chloride.
The layer stranded optical fiber ribbon cable with the special-shaped structure is characterized in that the optical fiber type is G.652 type, G.653 type, G.654 type, G.655 type, G.656 type, G.657 type, A1a type, A1b type or A1c type.
A layer stranded optical fiber ribbon cable having a profile structure according to any of the above embodiments, wherein the first strength member 5 is made of steel wire or glass fiber rod.
The optical fiber ribbon cable with the special-shaped structure in any embodiment is characterized in that the material of the first loose tube 3 is polybutylene terephthalate or modified polypropylene.
The loose tube 3 in the invention is different from the prior art in shape, is convenient to strip, does not need professional tools, and greatly improves the working efficiency.
The invention solves the problem that the single loose tube of the middle-layer stranded ribbon optical cable in the prior art has poor compression resistance.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limiting the present invention. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. A layer stranded ribbon optical cable with a special-shaped structure is provided with an outer protective layer (1), a wrapping layer (2), at least three first loose tubes (3) and a first reinforcing piece (5), the first loose tube (3) is stranded outside the first reinforcing piece (5), the wrapping layer (2) is positioned outside a stranded layer formed by the loose tubes (3), the outer protective layer (1) is extruded outside the wrapping layer (2), the optical fiber ribbon optical cable is characterized in that the first loose tube (3) is composed of a first loose tube main body (33), a second sandglass-shaped containing cavity (34) is formed inside the first loose tube main body (33), the second containing cavity (34) is composed of two separate containing cavities, the left side and the right side of the first loose tube main body (33) are respectively provided with a connecting part (35), the upper side and the lower side of the first loose tube main body (33) are respectively provided with a semicircular protecting edge (31), and the left end of the upper protecting edge (31) is connected with the left connecting part (35), the right end of downside safe edge (31) links to each other with right side adapting unit (35), and safe edge (31) enclose first pine sleeve pipe main part (33) inside to form two first chambeies (32), two partial volumes of hourglass shape second chamber (34) are equipped with optical fiber tape and fold area body (4).
2. A layer stranded optical fiber ribbon cable with a special-shaped structure according to claim 1, wherein a second strength member (6) is arranged in the first cavity (32), and the material of the second strength member (6) is steel wire or glass fiber rod.
3. The stranded optical fiber ribbon cable with a special-shaped structure as claimed in claim 1 or claim 2, wherein a second supporting member (7) is clamped between two sub-cavities of the second cavity (34), and the second supporting member (7) is made of polypropylene.
4. The layer stranded optical fiber ribbon cable with a special-shaped structure as claimed in claim 1 or claim 2, wherein a second loose tube (8) is arranged in the first cavity (32), at least one optical fiber is arranged in the second loose tube (8), and the second loose tube (8) is made of polybutylene terephthalate or modified polypropylene.
5. A layer stranded type optical fiber ribbon cable having a profile structure according to claim 1 or claim 2, wherein each of upper and lower corners of the outer portion of said first loose tube main body (33) is formed with a first supporting part (36), and the first supporting part (36) is in contact with the inner wall of the protective edge (31).
6. A layer stranded optical ribbon cable having a profile structure according to claim 1 or claim 2, wherein the outer sheath (1) is made of low density polyethylene or medium density polyethylene or high density polyethylene or flame retardant polyolefin or polyvinyl chloride.
7. A layer stranded optical fiber ribbon cable having a profile structure according to claim 1 or claim 2, wherein the material of said first strength member (5) is a steel wire or a glass fiber rod.
8. A layer stranded optical fiber ribbon cable having a profile structure according to claim 1 or claim 2, wherein the material of said first loose tube (3) is polybutylene terephthalate or modified polypropylene.
9. A stranded optical ribbon cable having a profile structure according to claim 1 or claim 2, wherein the optical ribbon laminate (4) is constituted by at least two optical fiber ribbons, which are ribbon-combined by at least two optical fibers.
10. The layer-stranded optical fiber ribbon cable having a profile structure according to claim 9, wherein the optical fiber type is g.652 type, g.653 type, g.654 type, g.655 type, g.656 type, g.657 type, A1a type, A1b type or A1c type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010785893.0A CN111751946A (en) | 2020-08-07 | 2020-08-07 | Layer-stranded ribbon optical cable with special-shaped structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010785893.0A CN111751946A (en) | 2020-08-07 | 2020-08-07 | Layer-stranded ribbon optical cable with special-shaped structure |
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| CN111751946A true CN111751946A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010785893.0A Pending CN111751946A (en) | 2020-08-07 | 2020-08-07 | Layer-stranded ribbon optical cable with special-shaped structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655579A (en) * | 2021-08-30 | 2021-11-16 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable with heart-shaped unit |
| WO2022027885A1 (en) * | 2020-08-07 | 2022-02-10 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded ribbon optical fiber cable having special-shaped structure |
-
2020
- 2020-08-07 CN CN202010785893.0A patent/CN111751946A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022027885A1 (en) * | 2020-08-07 | 2022-02-10 | 江苏长飞中利光纤光缆有限公司 | Layer-stranded ribbon optical fiber cable having special-shaped structure |
| CN113655579A (en) * | 2021-08-30 | 2021-11-16 | 江苏长飞中利光纤光缆有限公司 | Layer stranded optical cable with heart-shaped unit |
| CN113655579B (en) * | 2021-08-30 | 2023-03-03 | 长飞光电线缆(苏州)有限公司 | Layer stranded optical cable with heart-shaped unit |
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Address after: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant after: Changfei photoelectric cable (Suzhou) Co.,Ltd. Address before: 215542 No.1 Zhongli Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Applicant before: YANGTZE ZHONGLI OPTICAL FIBRE AND CABLE (JIANGSU) Co.,Ltd. |