CN114242353B - Ultra-light simple fast-assembling jumper insulator for uninterrupted operation - Google Patents
Ultra-light simple fast-assembling jumper insulator for uninterrupted operation Download PDFInfo
- Publication number
- CN114242353B CN114242353B CN202111617325.0A CN202111617325A CN114242353B CN 114242353 B CN114242353 B CN 114242353B CN 202111617325 A CN202111617325 A CN 202111617325A CN 114242353 B CN114242353 B CN 114242353B
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- CN
- China
- Prior art keywords
- partition
- wire
- core rod
- fitting
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000012212 insulator Substances 0.000 title claims abstract description 35
- 229920002748 Basalt fiber Polymers 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims description 35
- 238000002788 crimping Methods 0.000 claims description 22
- 239000003822 epoxy resin Substances 0.000 claims description 8
- 229920000647 polyepoxide Polymers 0.000 claims description 8
- 239000012779 reinforcing material Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 7
- 238000005470 impregnation Methods 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 239000007822 coupling agent Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
- H01B17/145—Insulators, poles, handles, or the like in electric fences
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulators (AREA)
- Insulating Bodies (AREA)
Abstract
The invention discloses an ultra-light simple fast-assembled jumper insulator for uninterrupted operation, which belongs to the technical field of insulators and comprises a core rod, wherein the core rod adopts a high-strength basalt fiber core rod; the end fitting is in pressure connection with the first end of the core rod; the tail hardware fitting is in pressure connection with the second end of the core rod; and the umbrella cover is adhered to the surfaces of the core rod, the end fitting and the tail fitting. The invention can make the core body section smaller, thereby reducing the diameters of the hardware section and the umbrella cover section, making the product lighter and lower in cost, and being suitable for most insulating operators and tools.
Description
Technical Field
The invention relates to the technical field of insulators, in particular to an ultra-light simple fast-assembled jumper insulator for uninterrupted operation.
Background
Jumper insulators are needed at a plurality of positions when the overhead line cable branches are led down and the on-column equipment is installed. In order to meet the related requirements of uninterrupted operation, an insulating glove operation method and an insulating rod operation method are adopted in the current operation, but the prior jumper insulator generally adopts a porcelain cross arm insulator, the insulator has the defects of large weight, short climbing distance and low strength, an end wire is fixed by adopting a binding wire, the insulating rod operation cannot be realized, and the installation is difficult.
The end of the jumper insulator for the existing uninterrupted operation is improved, so that the uninterrupted operation can be realized through an insulating rod or an insulating glove. However, because the jumper insulator needs to have a certain degree of bending strength (more than or equal to 3.5 kN), in the uninterrupted operation procedure, the minimum air gap of the jumper insulator suitable for the insulating rod operation method is not smaller than 400mm, and the condition limits that the minimum section of the jumper insulator core body for uninterrupted operation cannot be further reduced. In addition, the existing jumper insulator end fitting for uninterrupted operation is relatively new in design and cannot be matched with a traditional insulating operation tool, so that the adaptability of the end fitting is relatively weak, and the popularization difficulty of the jumper insulator is increased.
Therefore, a novel jumper insulator is provided to solve the above-mentioned drawbacks of the prior art, and is a technical problem to be solved.
Disclosure of Invention
The invention aims to provide an ultra-light simple fast-assembled jumper insulator for uninterrupted operation, which solves the problems in the prior art, and can enable the section of a core body to be smaller, so that the section of a hardware fitting and the section of an umbrella cover are reduced in equal diameter, the product is lighter, the cost is lower, and the jumper insulator is suitable for most insulating operators.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides an ultra-light simple fast-assembling jumper insulator for uninterrupted operation, which comprises the following components:
the core rod is made of a high-strength basalt fiber core rod;
the end fitting is in pressure connection with the first end of the core rod;
The tail hardware fitting is in pressure connection with the second end of the core rod;
And the umbrella cover is adhered to the surfaces of the core rod, the end fitting and the tail fitting.
In this embodiment, the high-strength basalt fiber core rod is an epoxy resin basalt fiber solid drawing rod, the epoxy resin basalt fiber solid drawing rod is of a long cylindrical structure, resin impregnation is performed by adopting basalt fibers and continuous reinforcing materials, and then drawing and molding are performed through a molding die.
In this embodiment, the continuous reinforcement material is glass fiber.
In this embodiment, the umbrella cover is made of silicone rubber, and the umbrella cover is vulcanized at high temperature to form a plurality of annular protruding structures.
In this embodiment, the umbrella cover is adhered to the surfaces of the core rod, the end fitting and the tail fitting through coupling agents.
In this embodiment, the tip gold utensil includes hollow crimping subregion and string subregion, hollow crimping subregion with the club head cylinder crimping of plug is connected, set up the wire casing on the string subregion, the wire casing can place the wire.
In this embodiment, an opening is provided on one side of the wire hanging partition, the opening is communicated with the wire slot, so that a wire can enter the wire slot, and the hollow crimping partition is connected to one side of the wire hanging partition away from the opening.
In this embodiment, a wire fixing block is disposed in the wire slot of the wire hanging partition, one end of the wire fixing block is provided with an arc slot, the other end of the wire fixing block is connected with a first end of a lateral movable screw, a second end of the lateral movable screw penetrates out from one end of the wire hanging partition and is connected with a screw cap, and the lateral movable screw is in threaded connection with the wire hanging partition; and an anti-loosening spring is arranged between the screw cap and the hanging wire partition.
In this embodiment, afterbody gold utensil includes hollow crimping subregion and fixed subregion, is located the hollow crimping subregion of one end with the club head cylinder crimping of plug is connected, is provided with the screw thread on the fixed subregion of the other end that is located, can fasten on the circuit cross arm with the nut cooperation.
Compared with the prior art, the invention has the following technical effects:
According to the invention, basalt fibers and corresponding continuous reinforcing materials are adopted for resin impregnation, the basalt fibers have larger elastic modulus, the corresponding continuous reinforcing materials are glass fibers and epoxy resin is better in impregnation, and the two fiber materials are combined for use, so that the deflection of the core rod can be effectively reduced by utilizing the characteristics of the basalt fibers, and the section of the core rod is reduced; the characteristics of mature glass fiber process, low price and high quality are utilized to effectively save the cost, and the manufacturing cost is controlled, so that the product is easy to popularize in the later period;
The jumper insulator is suitable for most insulating operators, so that the jumper insulator is easier to popularize, meets the related requirements of uninterrupted operation, and enhances the power supply reliability of a distribution line, thereby further providing convenience, economy and safety of uninterrupted operation of the distribution network.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a jumper insulator for ultra-light simple fast-assembled uninterrupted operation;
FIG. 2 is a schematic cross-sectional view of an ultra-light, simple, quick-assembled jumper insulator for uninterrupted operation of the present invention;
Fig. 3 is a schematic structural view of an end fitting of the present invention;
Fig. 4 is a schematic cross-sectional view of an end fitting of the present invention;
fig. 5 is a schematic structural diagram of the tail fitting of the present invention;
fig. 6 is a schematic cross-sectional view of a tail fitting of the present invention;
Reference numerals illustrate: 1 is an end fitting, 101 is a wire hanging partition, 102 is a hollow crimping partition, 103 is a wire fixing block, 104 is a locking spring, 105 is a lateral movable screw, 2 is a tail fitting, 201 is a fixed partition, 202 is a hollow crimping partition, 3 is an umbrella cover, and 4 is a high-strength basalt fiber core rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide an ultra-light simple fast-assembled jumper insulator for uninterrupted operation, which solves the problems in the prior art, and can enable the section of a core body to be smaller, so that the section of a hardware fitting and the section of an umbrella cover are reduced in equal diameter, the product is lighter, the cost is lower, and the jumper insulator is suitable for most insulating operators.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
The embodiment provides a super light-duty simple and easy fast-assembling formula jumper insulator for uninterrupted operation, include:
the core rod is a high-strength basalt fiber core rod 4;
an end fitting 1, wherein the end fitting 1 is in pressure connection with the first end of the core rod;
the tail fitting 2 is in pressure connection with the second end of the core rod;
and the umbrella cover 3 is adhered to the surfaces of the core rod, the end fitting 1 and the tail fitting 2.
In this embodiment, the high-strength basalt fiber core rod 4 is an epoxy resin basalt fiber solid drawing rod, the epoxy resin basalt fiber solid drawing rod is of a long cylindrical structure, and is subjected to resin impregnation by basalt fibers and continuous reinforcing materials, and then is drawn and molded by a molding die.
In this embodiment, the continuous reinforcement material is glass fiber.
In the embodiment, basalt fibers and corresponding continuous reinforcing materials are adopted for resin impregnation, the basalt fibers have larger elastic modulus, the corresponding continuous reinforcing materials are glass fibers and epoxy resin are better in impregnation, and the two fiber materials are combined for use, so that the deflection of the core rod can be effectively reduced by utilizing the characteristics of the basalt fibers, and the section of the core rod is reduced; the characteristics of mature glass fiber process, low price and high quality are utilized to effectively save the cost, and the manufacturing cost is controlled, so that the product is easy to popularize in the later period.
In this embodiment, the umbrella cover 3 is made of silicone rubber, and the umbrella cover 3 is vulcanized at high temperature to form a plurality of annular protruding structures; the number and the width of the protruding structures of the umbrella cover 3 can be set according to the production and application requirements, so that the insulating property and the electrical property of the jumper insulator are ensured, and the antifouling property of the jumper insulator is improved.
In this embodiment, the umbrella cover 3 is adhered to the surfaces of the core rod, the end fitting 1 and the tail fitting 2 by a coupling agent.
In this embodiment, the end fitting 1 includes a hollow crimping zone 102 and a wire hanging zone 101, where the hollow crimping zone 102 is a hollow cylinder structure with one end open, and can be connected with the rod head cylinder of the mandrel in a crimping manner, and the wire hanging zone 101 is provided with a wire slot, and the wire slot can be used for placing a wire.
In this embodiment, an opening is disposed on one side of the wire hanging partition 101, and the opening is communicated with the wire slot, so that a wire can enter the wire slot, and the hollow crimping partition 102 is connected to one side of the wire hanging partition 101 away from the opening.
In this embodiment, a wire fixing block 103 is disposed in the wire slot of the wire hanging partition 101, one end of the wire fixing block 103 is provided with an arc slot, which can clamp and fix a wire, the other end is connected with a first end of a lateral movable screw 105, a second end of the lateral movable screw 105 penetrates out from one end of the wire hanging partition 101 and is connected with a screw cap, and the lateral movable screw 105 is in threaded connection with the wire hanging partition 101; a locking spring 104 is arranged between the screw cap and the hanging wire partition 101; the wire is fixed in the wire slot by rotating the lateral movable screw 105, so that the wire is prevented from falling off; wherein, the side direction movable screw 105 adopts the fast-assembling movable screw, and wire fixed block 103 can dismantle the first end of installing in side direction movable screw 105 through the bolt.
In this embodiment, the tail fitting 2 includes hollow crimping subregion 202 and fixed subregion 201, is located the hollow crimping subregion 202 of one end with the excellent head cylinder crimping of plug is connected, is provided with the screw thread on the fixed subregion 201 of the other end that is located, can cooperate with the nut, with whole compound jumper wire insulator fastening on the circuit cross arm, it is convenient to install.
The principles and embodiments of the present invention have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present invention; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (5)
1. The utility model provides an ultralight simple and easy fast-assembling formula jumper insulator for uninterrupted operation which characterized in that: comprising the following steps:
The core rod is a high-strength basalt fiber core rod, the high-strength basalt fiber core rod is an epoxy resin basalt fiber solid drawing rod, the epoxy resin basalt fiber solid drawing rod is of a long-strip cylindrical structure, basalt fibers and continuous reinforcing materials are adopted for resin impregnation, then the resin is drawn and molded through a molding die, and the continuous reinforcing materials are glass fibers;
The end fitting is in pressure connection with the first end of the core rod and comprises a hollow pressure connection partition and a wire hanging partition, the hollow pressure connection partition is in pressure connection with a rod head cylinder of the core rod, a wire groove is formed in the wire hanging partition, and a wire can be placed in the wire groove; an opening is formed in one side of the wire hanging partition, the opening is communicated with the wire groove and can enable a wire to enter the wire groove, the hollow crimping partition is connected to one side, far away from the opening, of the wire hanging partition, and the opening is obliquely arranged from bottom to top towards the hollow crimping partition;
The tail hardware fitting is in pressure connection with the second end of the core rod;
And the umbrella cover is adhered to the surfaces of the core rod, the end fitting and the tail fitting.
2. The ultra-light simple and easy fast-assembling jumper insulator for uninterrupted operation according to claim 1, wherein: the umbrella cover is made of silicon rubber, and a plurality of annular protruding structures are formed on the umbrella cover through high-temperature vulcanization.
3. The ultra-light simple and easy fast-assembling jumper insulator for uninterrupted operation according to claim 2, wherein: the umbrella cover is adhered to the surfaces of the core rod, the end fitting and the tail fitting through coupling agents.
4. The ultra-light simple and easy fast-assembling jumper insulator for uninterrupted operation according to claim 1, wherein: a wire fixing block is arranged in the wire slot of the wire hanging partition, one end of the wire fixing block is provided with an arc-shaped slot, the other end of the wire fixing block is connected with a first end of a lateral movable screw rod, a second end of the lateral movable screw rod penetrates out from one end of the wire hanging partition and is connected with a screw cap, and the lateral movable screw rod is in threaded connection with the wire hanging partition; and an anti-loosening spring is arranged between the screw cap and the hanging wire partition.
5. The ultra-light simple and easy fast-assembling jumper insulator for uninterrupted operation according to claim 1, wherein: the tail hardware fitting comprises a hollow crimping partition and a fixed partition, wherein the hollow crimping partition at one end is connected with a rod head cylinder of the core rod in a crimping manner, threads are arranged on the fixed partition at the other end, and the hollow crimping partition can be matched with a nut to be fastened on a line cross arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617325.0A CN114242353B (en) | 2021-12-27 | 2021-12-27 | Ultra-light simple fast-assembling jumper insulator for uninterrupted operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111617325.0A CN114242353B (en) | 2021-12-27 | 2021-12-27 | Ultra-light simple fast-assembling jumper insulator for uninterrupted operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114242353A CN114242353A (en) | 2022-03-25 |
| CN114242353B true CN114242353B (en) | 2024-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111617325.0A Active CN114242353B (en) | 2021-12-27 | 2021-12-27 | Ultra-light simple fast-assembling jumper insulator for uninterrupted operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114242353B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200185358Y1 (en) * | 1999-12-24 | 2000-06-15 | 한국전력공사 | Device for fixing jump wire-insulator |
| KR100682449B1 (en) * | 2005-10-11 | 2007-02-15 | 주식회사 평일 | Polymer line post insulator with forming structure as a single body |
| JP2007084191A (en) * | 2005-09-20 | 2007-04-05 | Toshiba Elevator Co Ltd | Elevator maintenance system |
| KR100899771B1 (en) * | 2009-03-07 | 2009-05-28 | 남도종합기술(주) | A fixing apparatus of jumper line |
| CN201707951U (en) * | 2009-07-23 | 2011-01-12 | 江苏嘉泰科技材料股份公司 | Composite material core for enhancing cable and cable |
| CN102324275A (en) * | 2011-09-09 | 2012-01-18 | 深圳市盟立电子有限公司 | The built on stilts electric power transfer lead of a kind of intelligence is with fiber composite plug and preparation method thereof |
| JP2012021993A (en) * | 2006-06-01 | 2012-02-02 | Nippon Telegr & Teleph Corp <Ntt> | Optical sensor and sensor chip |
| CN104725780A (en) * | 2015-02-28 | 2015-06-24 | 河海大学 | Hybrid basalt fiber and glass fiber reinforced resin |
| CN205159000U (en) * | 2015-12-03 | 2016-04-13 | 江西红星瓷业有限公司 | Insulator |
| CN105860440A (en) * | 2016-06-17 | 2016-08-17 | 句容市百事特复合材料有限公司 | Basalt fiber and glass fiber mixing reinforced thermosetting resin prepreg cloth |
| CN106854343A (en) * | 2017-01-12 | 2017-06-16 | 四川航天五源复合材料有限公司 | Basalt fibre mixes reinforced resin and preparation method thereof, application with glass fibre |
| CN111081434A (en) * | 2019-12-31 | 2020-04-28 | 衡水瑞纤新材料科技有限公司 | Basalt fiber insulator core rod |
| CN112071527A (en) * | 2020-09-29 | 2020-12-11 | 浙江华保电力科技股份有限公司 | Bolt-fixed composite jumper insulator for uninterrupted operation |
| KR102246338B1 (en) * | 2020-09-18 | 2021-04-29 | 주식회사 라이컨기술단 | Overhead distribution facility for easy branching of overhead distribution lines to transformers |
-
2021
- 2021-12-27 CN CN202111617325.0A patent/CN114242353B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200185358Y1 (en) * | 1999-12-24 | 2000-06-15 | 한국전력공사 | Device for fixing jump wire-insulator |
| JP2007084191A (en) * | 2005-09-20 | 2007-04-05 | Toshiba Elevator Co Ltd | Elevator maintenance system |
| KR100682449B1 (en) * | 2005-10-11 | 2007-02-15 | 주식회사 평일 | Polymer line post insulator with forming structure as a single body |
| JP2012021993A (en) * | 2006-06-01 | 2012-02-02 | Nippon Telegr & Teleph Corp <Ntt> | Optical sensor and sensor chip |
| KR100899771B1 (en) * | 2009-03-07 | 2009-05-28 | 남도종합기술(주) | A fixing apparatus of jumper line |
| CN201707951U (en) * | 2009-07-23 | 2011-01-12 | 江苏嘉泰科技材料股份公司 | Composite material core for enhancing cable and cable |
| CN102324275A (en) * | 2011-09-09 | 2012-01-18 | 深圳市盟立电子有限公司 | The built on stilts electric power transfer lead of a kind of intelligence is with fiber composite plug and preparation method thereof |
| CN104725780A (en) * | 2015-02-28 | 2015-06-24 | 河海大学 | Hybrid basalt fiber and glass fiber reinforced resin |
| CN205159000U (en) * | 2015-12-03 | 2016-04-13 | 江西红星瓷业有限公司 | Insulator |
| CN105860440A (en) * | 2016-06-17 | 2016-08-17 | 句容市百事特复合材料有限公司 | Basalt fiber and glass fiber mixing reinforced thermosetting resin prepreg cloth |
| CN106854343A (en) * | 2017-01-12 | 2017-06-16 | 四川航天五源复合材料有限公司 | Basalt fibre mixes reinforced resin and preparation method thereof, application with glass fibre |
| CN111081434A (en) * | 2019-12-31 | 2020-04-28 | 衡水瑞纤新材料科技有限公司 | Basalt fiber insulator core rod |
| KR102246338B1 (en) * | 2020-09-18 | 2021-04-29 | 주식회사 라이컨기술단 | Overhead distribution facility for easy branching of overhead distribution lines to transformers |
| CN112071527A (en) * | 2020-09-29 | 2020-12-11 | 浙江华保电力科技股份有限公司 | Bolt-fixed composite jumper insulator for uninterrupted operation |
Non-Patent Citations (1)
| Title |
|---|
| 李建军.塑料配方设计.中国轻工业出版社,2019,131. * |
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| CN114242353A (en) | 2022-03-25 |
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