CN109085681B - 8-shaped combined butterfly cable and manufacturing method thereof - Google Patents
8-shaped combined butterfly cable and manufacturing method thereof Download PDFInfo
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- CN109085681B CN109085681B CN201810988107.XA CN201810988107A CN109085681B CN 109085681 B CN109085681 B CN 109085681B CN 201810988107 A CN201810988107 A CN 201810988107A CN 109085681 B CN109085681 B CN 109085681B
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- Prior art keywords
- butterfly
- shaped
- hose
- outside
- protective sleeve
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 31
- 239000013307 optical fiber Substances 0.000 claims description 24
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 14
- 235000012255 calcium oxide Nutrition 0.000 claims description 11
- 239000000292 calcium oxide Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 238000003848 UV Light-Curing Methods 0.000 claims description 3
- 238000004587 chromatography analysis Methods 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 230000003287 optical effect Effects 0.000 abstract description 28
- 241000699670 Mus sp. Species 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 101100074187 Caenorhabditis elegans lag-1 gene Proteins 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 5
- 241000699666 Mus <mouse, genus> Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
-
- 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
- G02B6/4404—Multi-podded
-
- 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
- G02B6/441—Optical cables built up from sub-bundles
-
- 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
-
- 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
- G02B6/4479—Manufacturing methods of optical cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses an 8-shaped combined butterfly cable and a manufacturing method thereof, and relates to the technical field of self-supporting optical cable bite prevention. Including the lag, be equipped with optic fibre in the lag, optic fibre's outside is equipped with loose sleeve pipe, loose sheathed tube outside is equipped with butterfly sheath, butterfly sheath both sides are equipped with the reinforcement, butterfly sheath outside is equipped with the supporting shoe, the outside of lag is equipped with the suspender, the upper portion of suspender is equipped with the messenger, the inside of messenger is equipped with the bearing wire. The invention has the beneficial effects that: not only can prevent mice from biting, but also can realize the installation in a building.
Description
Technical Field
The invention relates to the technical field of self-supporting optical cable bite prevention, in particular to an 8-shaped combined butterfly cable and a manufacturing method thereof.
Background
With the steady promotion of the strategy of broadband China and broadband acceleration, the construction of an optical access network taking the FTTX as a main form is developed at a high speed, so that large-scale application is formed, and a new scenic spot period is entered, thereby bringing about expansion of the market demand of the optical cable for the access network.
The traditional optical cable for the access network is easy to cause the problems of densely distributed pipelines of buildings and corridor, the consumption of optical distribution network equipment and optical communication equipment is greatly increased, the construction efficiency and the integral aesthetic feeling of the building are seriously affected, the operation cost is increased, and meanwhile, the potential safety hazard is large.
Although some optical cables exist in the prior art, the optical cables can be reasonably arranged in a building, in the using process, the optical cables are easily damaged by external force, and meanwhile, the optical cables are easily bitten by mice, so that line breakage is caused, and normal use is affected.
Disclosure of Invention
The invention aims to provide an 8-shaped combined butterfly cable and a manufacturing method thereof, which not only can prevent mice from biting, but also can realize installation in a building.
The invention aims to achieve the aim, and the aim is achieved by the following technical scheme:
the 8-shaped combined butterfly cable comprises a protective sleeve, wherein an optical fiber is arranged in the protective sleeve, a loose tube is arranged outside the optical fiber, a butterfly-shaped sheath is arranged outside the loose tube, reinforcing pieces are arranged on two sides of the butterfly-shaped sheath, and a supporting block is arranged outside the butterfly-shaped sheath;
the outside of lag is equipped with the suspender, the upper portion of suspender is equipped with the suspension wire, the inside of suspension wire is equipped with bears the weight of the steel wire.
A plurality of butterfly-shaped sheaths are arranged in the protective sleeve, and the butterfly-shaped sheaths are parallel to each other.
And a film is arranged outside the supporting block.
The supporting blocks are distributed at intervals in the protective sleeve, a hose is arranged between the two supporting blocks, quicklime is arranged in the hose, and the hose is connected with the supporting blocks.
The hose is provided with a micro hole.
A manufacturing method of an 8-shaped combined butterfly cable comprises the following steps:
1): the optical fiber adopts a single-mode G652 optical fiber, the natural-color optical fiber is coated with ink according to optical fiber chromatography, and then is subjected to coloring treatment in a UV curing mode;
2): heating and melting the PBT material through an extruder, extruding into a loose tube, and inserting an optical fiber into the loose tube to prepare a dry-type optical fiber wire harness;
3): the reinforcing piece is made of KFRP material and is distributed on two sides of the loose tube in parallel, and then the PBT material is precisely extruded by an extruder to form a butterfly-shaped sheath;
4): the supporting blocks are arranged outside the butterfly-shaped sheath, the hose sequentially passes through the supporting blocks, the outer parts of the supporting blocks are covered with films, the space between the films and the supporting blocks is inflated through the hose, and quick lime is filled in the hose after the inflation is finished;
5): the low-smoke halogen-free material is used, and the protective sleeve is formed after the low-smoke halogen-free material is precisely extruded by an extruding machine and is tightly wrapped on the film.
Compared with the prior art, the invention has the beneficial effects that:
1. through dividing into a plurality of pencil to many optic fibre, rethread butterfly sheath separates the parcel to a plurality of pencil, forms a plurality of relative independent light units, and the rethread lag wraps up a plurality of relative independent light units, when installing in the building, through breaking the lag, can follow an interface punishment and go out a plurality of branches, be favorable to the rational arrangement of optical cable in the building, through the supporting shoe can divide into the multistage with the lag, can strengthen the tensile properties of whole optical cable.
2. Be equipped with a plurality of butterfly sheaths in the lag, a plurality of the butterfly sheath is parallel to each other, when needs access branch optical cable, can realize the access of optical cable fast, has improved staff's work efficiency, can carry out reasonable arrangement again simultaneously to the optical cable.
3. The outside of supporting shoe is equipped with the film, the film can link together a plurality of solitary supporting shoes, and the butterfly sheath of being convenient for passes the supporting shoe.
4. The supporting blocks are distributed at intervals in the protective sleeve, a hose is arranged between the two supporting blocks, quicklime is arranged in the hose, the hose is connected with the supporting blocks, the hose is close to the inner wall of the protective sleeve, when a rat gnaws, the hose can be gnawed first, the quicklime in the hose can cause damage to the oral cavity of the rat, so that a frightening effect is formed on the rat, and the aim of preventing the rat is achieved.
5. Be equipped with miniature hole on the hose, when carrying out the lag of moulding plastics in the outside of a plurality of light units, aerify in the space between film and the supporting shoe through miniature hole, can make the film be in the expansion state, can realize the injection moulding of lag fast.
6. The injection molding of the external protective sleeve can be quickly realized through the manufacturing method, the assembly of the whole optical cable can be quickly realized in the production process, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic cross-sectional front view of the present invention.
Fig. 2 is a schematic cross-sectional front view of the hose installed.
FIG. 3 is a front view of the support block
Fig. 4 is an isometric view of a support block with a hose.
Fig. 5 is a cross-sectional view of a support block with a hose within a protective sheath.
The reference numbers shown in the drawings:
1. a protective sleeve; 2. an optical fiber; 3. a loose tube; 4. a butterfly-shaped sheath; 5. a reinforcing member; 6. a support block; 7. a hanging belt; 8. a hanging wire; 9. carrying steel wires; 10. a film; 11. a hose; 12. quicklime; 13. micro-holes.
Detailed Description
The invention is further illustrated below in connection with specific embodiments, as shown in fig. 1 to 5. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the invention, and such equivalents are intended to fall within the scope of the invention as defined herein.
The utility model provides an 8 style of calligraphy combination butterfly cable, includes lag 1, be equipped with optic fibre 2 in the lag 1, lag 1 is located the outermost layer for protection inside optic fibre 2, optic fibre 2 is many, is in relative separation state, optic fibre 2's outside is equipped with loose tube 3, it divides many optic fibre 2 into optic fibre 2 pencil to divide into, and loose tube 3 can also prevent that outside water from getting into on optic fibre 2 simultaneously, avoid causing the damage of optic fibre 2, loose tube 3's outside is equipped with butterfly sheath 4, butterfly sheath 4 can fix the state of loose tube 3, butterfly sheath 4 both sides are equipped with reinforcement 5, reinforcement 5 can strengthen butterfly sheath 4's tensile, bending resistance can protect optic fibre 2 from being damaged, butterfly sheath 4 outside is equipped with supporting shoe 6, supporting shoe 6 separates into numerous segmentation at lag 1 inside, can improve lag 1's tensile properties, simultaneously butterfly sheath 4 can be supported to supporting shoe 6, reinforcing butterfly sheath 4's tensile strength can be strengthened; the outside of lag 1 is equipped with suspender 7, the upper portion of suspender 7 is equipped with hanging wire 8, the inside of hanging wire 8 is equipped with bears steel wire 9, can be convenient for realize the wall installation of optical cable through hanging wire 8, can strengthen the tensile properties of optical cable.
In order to reasonably arrange the optical cables, a plurality of butterfly-shaped sheaths 4 are arranged in the protective sleeve 1, the butterfly-shaped sheaths 4 are mutually parallel, when the optical cables need to be connected into the branch optical cables, the access of the branch optical cables can be realized quickly, the working efficiency of staff is improved, and meanwhile, the optical cables can be reasonably arranged.
In order to facilitate the butterfly sheath 4 to pass through the support block 6, a membrane 10 is provided outside the support block 6, and the membrane 10 can connect a plurality of individual support blocks 6 together, so that the butterfly sheath 4 can pass through the support block 6.
In order to enable the optical cable to have the function of preventing mice, the supporting blocks 6 are distributed at intervals in the protective sleeve 1, a hose 11 is arranged between the two supporting blocks 6, quicklime 12 is arranged in the hose 11, the hose 11 is connected with the supporting blocks 6, the hose 11 is close to the inner wall of the protective sleeve 1, when a mouse bites, the hose 11 can be bitten first, the quicklime 12 in the hose 11 can cause harm to the oral cavity of the mouse so as to form deterrence to the mouse, and therefore the purpose of preventing mice is achieved.
In order to rapidly realize the injection molding of the protective sleeve 1, the hose 11 is provided with the micro holes 13, and when the injection molding of the protective sleeve 1 is performed outside the plurality of light units, the space between the film 10 and the supporting block 6 is inflated through the micro holes 13, so that the film 10 is in an expanded state, and the injection molding of the protective sleeve 1 can be rapidly realized.
A manufacturing method of an 8-shaped combined butterfly cable comprises the following steps:
1): the optical fiber 2 adopts the single-mode G652 optical fiber 2, so that the signal transmission problem can be better solved, the natural-color optical fiber 2 is coated with ink according to the optical fiber 2 chromatograph, and then is colored in a UV curing mode, so that optical cables for transmitting different signals can be distinguished;
2): after being heated and melted by an extruder, the PBT material is extruded into a loose tube 3, the optical fiber 2 is inserted into the loose tube 3 to prepare a dry optical fiber 2 wire harness, so that the protective sleeve 1 can be quickly stripped, and when an optical cable branch is connected, the optical cable branch can be quickly connected;
3): the reinforcing piece 5 is made of KFRP material and is distributed on two sides of the loose tube 3 in parallel, and then PBT material is precisely extruded by an extruder to form a butterfly-shaped sheath 4;
4): the supporting blocks 6 are arranged outside the butterfly-shaped sheath 4, the hoses 11 sequentially penetrate through the supporting blocks 6, the outer parts of the supporting blocks 6 are covered with the films 10, a certain space is formed between the films 10 and the supporting blocks 6, the space between the films 10 and the supporting blocks 6 is inflated through the hoses 11, after the inflation is finished, the hoses 11 are filled with the quicklime 12, and the quicklime 12 cannot enter the space between the films 10 and the supporting blocks 6 through the hoses 11;
5): the low-smoke halogen-free material is used, the protective sleeve 1 is formed after being precisely extruded by the plastic extruding machine, the protective sleeve 1 is tightly wrapped on the film 10, the inside of the whole protective sleeve 1 can be kept regular, and the protective sleeve 1 is quickly wrapped outside the butterfly-shaped sheath 4.
Claims (6)
1. The utility model provides an 8 style of calligraphy combination butterfly cable, includes the lag, be equipped with optic fibre, its characterized in that in the lag: the outside of the optical fiber is provided with a loose tube, the outside of the loose tube is provided with a butterfly-shaped sheath, two sides of the butterfly-shaped sheath are provided with reinforcing pieces, the outside of the butterfly-shaped sheath is provided with a supporting block, the outside of the supporting block is provided with a film, and the protective sleeve is tightly wrapped on the film;
a hanging strip is arranged outside the protective sleeve, a hanging wire is arranged at the upper part of the hanging strip, and a bearing steel wire is arranged inside the hanging wire;
the support blocks are axially distributed at intervals in the protective sleeve, a hose is arranged between the two support blocks, quicklime is arranged in the hose, and the hose is connected with the support blocks;
the hose is provided with micro holes, when the protecting sleeve is injection molded outside the light units, the space between the film and the supporting block is inflated through the micro holes, so that the film is in an expansion state, and the protecting sleeve is quickly injection molded.
2. An 8-shaped combined butterfly cable according to claim 1, wherein: a plurality of butterfly-shaped sheaths are arranged in the protective sleeve, and the butterfly-shaped sheaths are parallel to each other.
3. The manufacturing method of the 8-shaped combined butterfly cable comprises a protective sleeve, wherein an optical fiber is arranged in the protective sleeve, a loose tube is arranged outside the optical fiber, a butterfly-shaped sheath is arranged outside the loose tube, reinforcing pieces are arranged on two sides of the butterfly-shaped sheath, and a supporting block is arranged outside the butterfly-shaped sheath; a hanging strip is arranged outside the protective sleeve, a hanging wire is arranged at the upper part of the hanging strip, and a bearing steel wire is arranged inside the hanging wire; the manufacturing method is characterized by comprising the following steps:
1): the optical fiber adopts a single-mode G652 optical fiber, the natural-color optical fiber is coated with ink according to optical fiber chromatography, and then is subjected to coloring treatment in a UV curing mode;
2): heating and melting the PBT material through an extruder, extruding into a loose tube, and inserting an optical fiber into the loose tube to prepare a dry-type optical fiber wire harness;
3): the reinforcing piece is made of KFRP material and is distributed on two sides of the loose tube in parallel, and then the PBT material is precisely extruded by an extruder to form a butterfly-shaped sheath;
4): the method comprises the steps of installing the supporting blocks outside the butterfly-shaped sheath, enabling a hose to sequentially pass through the supporting blocks, covering the outer parts of the supporting blocks with films, enabling the supporting blocks to be distributed in the films at intervals along the axial direction, enabling micro holes to be formed in the hose, enabling the space between the films and the supporting blocks to be inflated through the micro holes, and filling quicklime into the hose after inflation is completed;
5): the low-smoke halogen-free material is used, and the protective sleeve is formed after the low-smoke halogen-free material is precisely extruded by an extruding machine and is tightly wrapped on the film.
4. A method of manufacturing an 8-shaped combination butterfly cable according to claim 3, wherein: a plurality of butterfly-shaped sheaths are arranged in the protective sleeve, and the butterfly-shaped sheaths are parallel to each other.
5. A method of manufacturing an 8-shaped combination butterfly cable according to claim 3, wherein: the support blocks are distributed at intervals in the protective sleeve, a hose is arranged between the two support blocks, and the hose is connected with the support blocks.
6. The method for manufacturing the 8-shaped combined butterfly cable according to claim 5, wherein the method comprises the following steps: the hose is provided with a micro hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988107.XA CN109085681B (en) | 2018-08-28 | 2018-08-28 | 8-shaped combined butterfly cable and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988107.XA CN109085681B (en) | 2018-08-28 | 2018-08-28 | 8-shaped combined butterfly cable and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109085681A CN109085681A (en) | 2018-12-25 |
| CN109085681B true CN109085681B (en) | 2024-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810988107.XA Active CN109085681B (en) | 2018-08-28 | 2018-08-28 | 8-shaped combined butterfly cable and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109085681B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100083408A (en) * | 2009-01-13 | 2010-07-22 | 엘에스전선 주식회사 | Optical fiber cable with impact-resistant member |
| CN202939345U (en) * | 2012-12-04 | 2013-05-15 | 沈阳亨通光通信有限公司 | Self-supporting multi-core wiring butterfly cable |
| CN103353650A (en) * | 2013-06-18 | 2013-10-16 | 成都亨通光通信有限公司 | Easy-branched butterfly-shape optical cable with outer sheath |
| CN103412383A (en) * | 2013-07-30 | 2013-11-27 | 成都亨通光通信有限公司 | Self-bearing butterfly optical fiber cable |
| CN203881981U (en) * | 2014-05-06 | 2014-10-15 | 绵阳保和泰越通信线缆有限公司 | Novel combined overhead optical cable |
| CN204256230U (en) * | 2014-12-12 | 2015-04-08 | 长飞光纤光缆股份有限公司 | A kind of self-supporting skeleton type leading-in optic cable |
| CN206697247U (en) * | 2017-04-07 | 2017-12-01 | 太仓市友达电气技术有限公司 | A kind of High-strength compression resistant type cable |
| CN209014774U (en) * | 2018-08-28 | 2019-06-21 | 山东太平洋光纤光缆有限公司 | A kind of 8 fonts combination butterfly cable |
-
2018
- 2018-08-28 CN CN201810988107.XA patent/CN109085681B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100083408A (en) * | 2009-01-13 | 2010-07-22 | 엘에스전선 주식회사 | Optical fiber cable with impact-resistant member |
| CN202939345U (en) * | 2012-12-04 | 2013-05-15 | 沈阳亨通光通信有限公司 | Self-supporting multi-core wiring butterfly cable |
| CN103353650A (en) * | 2013-06-18 | 2013-10-16 | 成都亨通光通信有限公司 | Easy-branched butterfly-shape optical cable with outer sheath |
| CN103412383A (en) * | 2013-07-30 | 2013-11-27 | 成都亨通光通信有限公司 | Self-bearing butterfly optical fiber cable |
| CN203881981U (en) * | 2014-05-06 | 2014-10-15 | 绵阳保和泰越通信线缆有限公司 | Novel combined overhead optical cable |
| CN204256230U (en) * | 2014-12-12 | 2015-04-08 | 长飞光纤光缆股份有限公司 | A kind of self-supporting skeleton type leading-in optic cable |
| CN206697247U (en) * | 2017-04-07 | 2017-12-01 | 太仓市友达电气技术有限公司 | A kind of High-strength compression resistant type cable |
| CN209014774U (en) * | 2018-08-28 | 2019-06-21 | 山东太平洋光纤光缆有限公司 | A kind of 8 fonts combination butterfly cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109085681A (en) | 2018-12-25 |
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