CN109994245A - Connection electric wire and preparation method thereof inside new micro unmanned plane - Google Patents
Connection electric wire and preparation method thereof inside new micro unmanned plane Download PDFInfo
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- CN109994245A CN109994245A CN201711483562.6A CN201711483562A CN109994245A CN 109994245 A CN109994245 A CN 109994245A CN 201711483562 A CN201711483562 A CN 201711483562A CN 109994245 A CN109994245 A CN 109994245A
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- electric wire
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/026—Alloys based on copper
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
The present invention discloses connection electric wire and preparation method thereof inside a kind of new micro unmanned plane, and connection includes: the core being made of copper wire conductor with electric wire inside the miniature drone, and is coated on the insulating layer outside the core；Wherein, the copper wire conductor is TR type soft copper silk；The insulating layer is made of high-density polyethylene material.Connection electric wire preparation method includes conductor strand and is extruded outside inside the miniature drone.Connection electric wire has the characteristics that resistant to bending, cold-resistant, light-duty inside miniature drone provided by the invention, provides guarantee for the use of unmanned plane in particular circumstances.
Description
Technical field
The present invention relates to connection electric wire inside power cable technical field more particularly to a kind of new micro unmanned plane and
Preparation method.
Background technique
With popularizing for the maturation of unmanned air vehicle technique, especially miniature drone, in the particular surroundings of specific occasion
Miniature drone is more and more, this puts forward new requirements the adaptability of unmanned plane.Wherein, as unmanned plane neural traffic
Can the electric wire in channel adapt to particular surroundings and play a key effect to unmanned plane.And conventional electric wire be not particularly suited for it is special
Environment, especially low-temperature region have been unable to meet demand of the market to miniature drone inside connection electric wire.
Therefore, being badly in need of developing connection electric wire inside a kind of new micro unmanned plane, to meet the needs of market, this is micro-
The connection development trend of electric wire inside type unmanned plane.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of new micro nothing
Man-machine internal connection electric wire and preparation method thereof.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of new micro unmanned plane inside connection
With electric wire, comprising: the core being made of copper wire conductor, and it is coated on the insulating layer outside the core；
Wherein, the copper wire conductor is TR type soft copper silk；The insulating layer is made of high-density polyethylene material.
In the above-mentioned electric wire of the present invention, the core is constituted by the more copper wire conductors are twisted.
In the above-mentioned electric wire of the present invention, the core is made of more inner core conductor strands；Each interior core conductor by
The more copper wire conductors are twisted to be constituted.
In the above-mentioned electric wire of the present invention, the diameter of the copper wire conductor is not more than 0.1mm；The elongation of the copper wire conductor
Greater than 10%；The thickness of the insulating layer is not less than 0.2mm.
In the above-mentioned electric wire of the present invention, the diameter of the copper wire conductor is 0.08mm；The insulating layer with a thickness of
0.25mm。
In the above-mentioned electric wire of the present invention, the quantity of the copper wire conductor is 40, the twisted lay ratio of the copper wire conductor
No more than 8.
In the above-mentioned electric wire of the present invention, the quantity of the copper wire conductor is 40, the twisted lay ratio of the copper wire conductor
It is 6.
On the other hand, the present invention also provides connection electric wire preparation methods inside a kind of new micro unmanned plane, including with
Lower step:
S10: conductor strand: You Duogen TR type soft copper silk through wire drawing, it is twisted after obtain core；The TR type soft copper silk it is straight
Diameter is not more than 0.1mm；The elongation of the TR type soft copper silk is greater than 10%；
S20: it is extruded outside: insulating layer made of high-density polyethylene material being evenly coated at institute by the way of squeezing
It states outside core；The thickness of the insulating layer is not less than 0.2mm.
In the above-mentioned electric wire preparation method of the present invention, the step S10 is specifically included: being passed through by 40 TR type soft copper silks
Wire drawing obtains the core after being twisted, the twisted lay ratio of 40 TR type soft copper silks is not more than 8.
In the above-mentioned electric wire preparation method of the present invention, the step S10 is specifically included:
S11: You Duogen TR type soft copper silk through wire drawing, it is twisted after obtain several interior core conductors；
S12: by obtaining the core after the more inner core conductor strands.
In conclusion the beneficial effect of technical solution of the present invention is: inside new micro unmanned plane provided by the invention
The connection selection of copper wire conductor and insulating layer material in electric wire, the design of twisting process, not only reduce fuselage weight, but also improve
Weatherability performance provides guarantee for unmanned plane being widely used in particular circumstances.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the cross section structure signal for the new micro unmanned plane inside connection electric wire that present pre-ferred embodiments provide
Figure；
Fig. 2 is the step flow chart of connection electric wire preparation method inside new micro unmanned plane provided by the invention；
The step of Fig. 3 is connection electric wire preparation method inside new micro unmanned plane provided by Embodiment 2 of the present invention stream
Cheng Tu；
Fig. 4 is the cross section structure signal for the new micro unmanned plane inside connection electric wire that the embodiment of the present invention three provides
Figure.
Specific embodiment
In order to which the purpose of the present invention, technical solution and advantage is more clearly understood, below in conjunction with drawings and examples,
Invention is further elaborated.It should be understood that described herein, the specific embodiments are only for explaining the present invention,
It is not intended to limit the present invention.
Embodiment one
As shown in Figure 1, it includes by 10 structure of copper wire conductor that new micro unmanned plane provided by the invention, which is internally connected with electric wire,
At core, and be coated on the insulating layer 20 outside the core；Wherein, copper wire conductor 10 is preferably TR type soft copper silk, absolutely
Edge layer 20 is made of high-density polyethylene material.
Preferably, the core is twisted by 40 TR type soft copper silks, the twisted pitch diameter of 40 TR type soft copper silks
Than it is preferably 6 that is, the ratio between pitch length and twisted wire outer diameter, which are not more than 8,.
Different from existing general cable, copper wire conductor 10 uses the copper wire thinner than the 6th class conductor in the present invention, and copper wire is led
The diameter of body 10 is not more than 0.1mm, is preferably 0.08mm；The elongation of copper wire conductor 10 is preferably greater than 10%；When adding
When work process is strictly twisted pitch diameter ratio, the core being twisted has stronger curved than conductor made of general material and technique
Folding ability, convenient for the installation of small space and wiring in miniature drone manufacturing process.
Different from existing general cable, insulating layer 20 is made of high-density polyethylene material in the present invention, insulating layer 20
Thickness is not less than 0.2mm, is preferably 0.25mm, high-density polyethylene material chemical stability is good, water resistance, ageing-resistant performance
It is excellent, and there is good resistance to low temperature, it can be used under the cryogenic conditions lower than -70 DEG C, not embrittlement.Therefore, of the invention
The electric wire of offer has excellent weatherability；
On the other hand, high-density polyethylene material density is small, and has excellent dielectric strength, under the premise of guaranteeing performance
The weight of electric wire can be effectively reduced with reduced thickness, so as to reduce the weight of miniature drone fuselage, improve weight bearing
And flight performance.
As shown in connection with fig. 2, the present embodiment provides a kind of preparation sides of connection electric wire inside above-mentioned new micro unmanned plane
Method, comprising the following steps:
S10: conductor strand: You Duogen TR type soft copper silk obtains core after wire drawing, pulse current annealing, twisted processing；
The diameter of the TR type soft copper silk is not more than 0.1mm；The elongation of the TR type soft copper silk is greater than 10%；The TR
The twisted lay ratio of type soft copper silk is not more than 8；The quantity of the TR type soft copper silk is 40；
S20: it is extruded outside: insulating layer made of high-density polyethylene material being evenly coated at institute by the way of squeezing
It states outside core；The thickness of the insulating layer is not less than 0.2mm.
In the present embodiment, for copper wire after pulse current annealing is handled, unit cross-sectional area current-carrying capability is big, while copper wire quantity
It is more, can effective external force suffered by evenly dispersed electric wire so that wiring conductive ability of the invention is strong, no Hydrogen Brittleness Phenomena is not allowed easily broken
It splits.
Embodiment two
As shown in figure 3, connection electric wire has compared to embodiment one inside new micro unmanned plane provided in this embodiment
Stronger bend resistance ability.Specifically, the present embodiment is that core is not straight by 40 TR type soft copper silks with the difference for implementing one
It connects and is twisted, but middle conductor 40 is first twisted by TR type soft copper silk, then core is directly twisted by middle conductor 40, pass through
It is twisted after twice, so that connection electric wire inside miniature drone provided in this embodiment, has extremely strong bend resistance ability,
It will not be broken after being more than millions of round-trip bending movements.
Specifically, each middle conductor 40 is twisted by more TR type soft copper silks, the beam of the more TR type soft copper silk
Direction of lay is left-hand, obtains more centres 40 after the more TR type soft copper silk bundle strand is twisted.
In the present embodiment, the TR type soft copper silk needs to make annealing treatment by 500 DEG C~600 DEG C before bundle strand is twisted, due to
Annealing copper free wire is without the fine copper for being also free of any deoxidier residue of itching, therefore its mechanical performance is extremely excellent, ductility
By force, bend resistance ability is strong.
Further, the quantity of the middle conductor 40 is 7, wherein a middle conductor 40 is centrally located, remaining 6
Middle conductor described in root is circumferentially twisted along it, closes and twists stranding distance control in 140~150mm；
After conductor strand, using plsitive mold in core outer cladding insulating layer made of high-density polyethylene material
20, insulating layer with a thickness of 0.3~0.8mm.
In the present embodiment, the gap between the core and the insulating layer 20 is also filled up by halogen-free and low-smoke flame-retardant polyolefin
Filled layer made of composite material, to meet environmental requirement and meet the anti-flammability of cable.Wherein, halogen-free and low-smoke flame-retardant polyolefin
Composite material is prepared from the following raw materials in parts by weight: EVA20~30 part, AL (OH)3120~130 parts, 20~25 parts of LDPE,
5~6 parts and 2~3 parts of stabilizer of synergist；This halogen-free and low-smoke flame-retardant polyolefin composite material greatly improves the anti-of core
Aging, and tensile strength is improved, the overall flexibility of electric wire is enhanced, the core is preferably increased described
The transmission speed of core reduces dielectric loss and the decaying of the core.
Further, also it is enclosed with restrictive coating (not shown) outside insulating layer 20, in the present embodiment, restrictive coating is by polyvinyl chloride
Material and cold-resistant plasticizer are made, specifically, the additive amount of cold-resistant plasticizer is between 10%~15%.With embodiment
Unlike one, restrictive coating made of pvc material and cold-resistant plasticizer mixing material can not only increase cable
Cold performance also has certain waterproof performance, can effectively prevent boisterous steam and penetrates into inside electric wire.
Embodiment three
As shown in figure 4, connection electric wire has compared to embodiment one inside new micro unmanned plane provided in this embodiment
Bigger cross-sectional area, the type suitable for larger current.
Specifically, the difference between this embodiment and the first embodiment lies in, core uses compound twisted process structure.First by more
Root copper wire conductor 10 is twisted into more interior core conductors 30 by certain twisted lay ratio, and in the outer of each interior core conductor 30
Surface coats tissue paper, then is twisted into the core, each inner core by certain twisted lay ratio by more interior core conductors 30
The twisted gap of conductor 30 can be used filled layer and be filled, the filled layer be preferably using flexible polyester fiber rope or
Flexible reinforcing rib is made, so that twisted interior core conductor constitutes completely circular structure, to maintain the overall structure of entire electric wire constant；
Finally insulating layer made of high-density polyethylene material is evenly coated at outside the core by the way of squeezing；Its purpose
It is the flexibility for increasing big core to increase conductor, convenient for installation inside unmanned plane and wiring.
Preferably, the quantity of interior core conductor 30 is 7, wherein one is centrally located, remaining 6 set along its circumferential is twisted
It sets, the direction of lay of outer layer 6 interior core conductors 30 is S strand, and the twisting pitch of interior core conductor 30 is less than or equal to interior core conductor 30
9 times of twisted outer diameter.It is understood that this implementation does not limit the particular number of interior core conductor 30, it can be according to electricity
It spreads and defeated needs to select suitable inner core number of conductors.
It should be noted that new micro unmanned plane inside connection provided in this embodiment is based on above-mentioned two with electric wire
The miniature drone connection electric wire that embodiment provides, therefore those skilled in the art should be it is found that it be identical or close between each other
As technical characteristic can use for reference general, technical effect possessed by the electric wire that embodiment one provides, the present embodiment equally has
Have, details are not described herein.
In summary three embodiment analyses are implemented to connect electricity consumption inside a kind of new micro unmanned plane provided by the invention
Line and preparation method thereof, the beneficial effect is that:
(1) core is closed to twist by 40 TR type copper wires and be constituted, and brass wire diameter is preferably 0.08mm, and it is preferred to be twisted lay ratio
It is 6, increases the flexibility of conductor, convenient for the installation of small space and wiring in miniature drone manufacturing process；
(2) insulating layer is made of high-density polyethylene material, and high density polyethylene (HDPE) density is 0.941~0.970g/cm3,
And there is excellent dielectric strength, guarantee that the weight of electric wire can be effectively reduced under the premise of performance with reduced thickness, thus
The weight of miniature drone fuselage is reduced, weight bearing and flight performance are improved；
(3) insulating layer is made of high-density polyethylene material, and high-density polyethylene material chemical stability is good, water resistance,
Ageing-resistant performance is excellent, and has good resistance to low temperature, can use under the cryogenic conditions lower than -70 DEG C, not embrittlement.Cause
This, has excellent weatherability.
(4) to meet actual demand, the present invention uses the new micro nothing of another embodiment of compound twisting process offer
Man-machine internal connection electric wire, there is bigger cross-sectional area to enhance especially suitable for the unmanned plane type of larger current
Connection electric wire stops the ability that is full of inside the miniature drone.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the protection scope of this practical invention.
Claims (10)
1. connection electric wire inside a kind of new micro unmanned plane characterized by comprising the line being made of copper wire conductor (10)
Core, and it is coated on the insulating layer (20) outside the core；
Wherein, the copper wire conductor (10) is TR type soft copper silk；The insulating layer (20) is made of high-density polyethylene material.
2. connection electric wire inside miniature drone according to claim 1, which is characterized in that the core is by more institutes
State copper wire conductor (10) twisted composition.
3. connection electric wire inside miniature drone according to claim 1, which is characterized in that the core is by more
Core conductor (30) is twisted to be constituted；Each interior core conductor (30) is constituted by the more copper wire conductors (10) are twisted.
4. connection electric wire inside miniature drone according to claim 1, which is characterized in that the copper wire conductor (10)
Diameter be not more than 0.1mm；The elongation of the copper wire conductor (10) is greater than 10%；The thickness of the insulating layer (20) is not less than
0.2mm。
5. connection electric wire inside miniature drone according to claim 1, which is characterized in that the copper wire conductor (10)
Diameter be 0.08mm；The insulating layer (20) with a thickness of 0.25mm.
6. connection electric wire inside miniature drone according to claim 2, which is characterized in that the copper wire conductor (10)
Quantity be 40；The twisted lay ratio of the copper wire conductor (10) is not more than 8.
7. connection electric wire inside miniature drone according to claim 2, which is characterized in that the copper wire conductor (10)
Quantity be 40；The twisted lay ratio of the copper wire conductor (10) is 6.
8. connection electric wire preparation method inside a kind of new micro unmanned plane, which comprises the following steps:
S10: conductor strand: You Duogen TR type soft copper silk through wire drawing, it is twisted after obtain core；
The diameter of the TR type soft copper silk is not more than 0.1mm；The elongation of the TR type soft copper silk is greater than 10%；
S20: it is extruded outside: insulating layer made of high-density polyethylene material being evenly coated at the line by the way of squeezing
Outside core；
The thickness of the insulating layer is not less than 0.2mm.
9. connection electric wire preparation method inside miniature drone according to claim 8, which is characterized in that the step
S10 is specifically included: by 40 TR type soft copper silks through wire drawing, it is twisted after obtain the core；The strand of the TR type soft copper silk
It closes lay ratio and is not more than 8.
10. connection electric wire preparation method inside miniature drone according to claim 8, which is characterized in that the step
Rapid S10 is specifically included:
S11: You Duogen TR type soft copper silk through wire drawing, it is twisted after obtain several interior core conductors；
S12: by obtaining the core after the more inner core conductor strands.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483562.6A CN109994245A (en) | 2017-12-29 | 2017-12-29 | Connection electric wire and preparation method thereof inside new micro unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711483562.6A CN109994245A (en) | 2017-12-29 | 2017-12-29 | Connection electric wire and preparation method thereof inside new micro unmanned plane |
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| Publication Number | Publication Date |
|---|---|
| CN109994245A true CN109994245A (en) | 2019-07-09 |
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ID=67109975
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711483562.6A Pending CN109994245A (en) | 2017-12-29 | 2017-12-29 | Connection electric wire and preparation method thereof inside new micro unmanned plane |
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| CN201725619U (en) * | 2010-07-14 | 2011-01-26 | 开开电缆科技有限公司 | High-conductivity waterproof and anticorrosive leader cable |
| CN202332367U (en) * | 2011-12-12 | 2012-07-11 | 上海上力电线电缆有限公司 | Flexible cable for traveling crane |
| CN203689940U (en) * | 2013-10-15 | 2014-07-02 | 芜湖航天特种电缆厂 | Environment-friendly signal flexible cable with light weight, cold resistance, tensile properties, wire resistance and flame retardancy |
| CN104733084A (en) * | 2015-03-17 | 2015-06-24 | 苏州科宝光电科技有限公司 | Intelligent welding robot cable |
| CN205911029U (en) * | 2016-07-15 | 2017-01-25 | 深圳市联嘉祥科技股份有限公司 | Novel warping strength control cable |
| CN107230525A (en) * | 2017-07-22 | 2017-10-03 | 江苏东强股份有限公司 | Hyperfrequency cable for digital communication and preparation method thereof |
| CN207938331U (en) * | 2017-12-29 | 2018-10-02 | 深圳市联嘉祥科技股份有限公司 | Connection electric wire inside new micro unmanned plane |
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2017
- 2017-12-29 CN CN201711483562.6A patent/CN109994245A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2665879Y (en) * | 2003-11-12 | 2004-12-22 | 上海乐庭电线工业有限公司 | Flat high performance data communication cable |
| CN201725619U (en) * | 2010-07-14 | 2011-01-26 | 开开电缆科技有限公司 | High-conductivity waterproof and anticorrosive leader cable |
| CN202332367U (en) * | 2011-12-12 | 2012-07-11 | 上海上力电线电缆有限公司 | Flexible cable for traveling crane |
| CN203689940U (en) * | 2013-10-15 | 2014-07-02 | 芜湖航天特种电缆厂 | Environment-friendly signal flexible cable with light weight, cold resistance, tensile properties, wire resistance and flame retardancy |
| CN104733084A (en) * | 2015-03-17 | 2015-06-24 | 苏州科宝光电科技有限公司 | Intelligent welding robot cable |
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Effective date of registration: 20210915 Address after: 241000 Fanchang County Economic Development Zone, Wuhu City, Anhui Province Applicant after: ANHUI LIANJIAXIANG SPECIAL CABLE Co.,Ltd. Address before: 518000 floor 12, building C, Shenzhen International Innovation Center, No. 1006, Shennan Avenue, Huafu street, Futian District, Shenzhen, Guangdong Province Applicant before: SHENZHEN LIANJIAXIANG SCIENCE & TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190709 |
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