CN108054528A - A kind of EMC bondings terminal - Google Patents
A kind of EMC bondings terminal Download PDFInfo
- Publication number
- CN108054528A CN108054528A CN201711132326.XA CN201711132326A CN108054528A CN 108054528 A CN108054528 A CN 108054528A CN 201711132326 A CN201711132326 A CN 201711132326A CN 108054528 A CN108054528 A CN 108054528A
- Authority
- CN
- China
- Prior art keywords
- bondings
- clamping piece
- earth clip
- emc
- copper bar
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a kind of EMC bondings terminals, including card copper bar pedestal of the bottom with fixture and several bondings folder, the bonding folder includes first clamping piece and second intermediate plate, the lower end of the first clamping piece is connected by connection sheet with the lower end of the second intermediate plate, several arcwall faces are arranged in the first clamping piece and second intermediate plate, arcwall face several through holes of formation opposite with the arcwall face in the second intermediate plate in the first clamping piece, the bonding folder is connected by connection sheet with the card copper bar pedestal, the first clamping piece, second intermediate plate and the connection sheet are integrally formed, it installs very convenient, packing density is high, it occupies little space, shielded cable is more than the 50% of the circumferential area of shielded cable by the contact area that through hole and bonding press from both sides, frequency impedance characteristic is preferable.
Description
Technical field
The present invention relates to technical field of electromagnetic compatibility, it particularly relates to a kind of EMC bondings terminal.
Background technology
The current shielded cable earthing mode that solves is mainly that after the insulating layer of shielded cable is peeled off, shielded layer is twisted into
One, is then grounded by cable terminal.But this earthing mode causes impedance ground to increase, while cable shield and ground
Contact area very little, cause the potential on cable shield that cannot effectively release, so as to the signal inside cable into
Row interference.
Current earthing mode can not solve what multi-strand shielded cable in reality was grounded simultaneously using single-point grounding mode
It is required that the shielded cable while grounding requirement of more various outer diameters and different size can not be realized, for example, 1 3mm shielding electricity
Cable, 2 5mm shielded cables, shielding layer grounding is handled while 1 10mm shielded cable.It can not realize shielded cable and copper bar
Correct contact and relatively good shielding properties.The drawbacks such as current earthing mode space hold is larger simultaneously, and contact is not firm.
The problem of in correlation technique, currently no effective solution has been proposed.
The content of the invention
For the above-mentioned technical problem in correlation technique, the present invention proposes a kind of EMC bondings terminal, can solve
State technical problem.
To realize above-mentioned technical purpose, the technical proposal of the invention is realized in this way：
A kind of EMC bondings terminal, including card copper bar pedestal of the bottom with fixture and several bondings folder, the shielding
Earth clip includes first clamping piece and second intermediate plate, and the lower end of the first clamping piece passes through the lower end of connection sheet and the second intermediate plate
Connection, is arranged with several arcwall faces in the first clamping piece and second intermediate plate, the arcwall face in the first clamping piece with it is described
The opposite several through holes of formation of arcwall face in second intermediate plate, the bonding folder pass through connection sheet and the card copper bar pedestal
Connection, the first clamping piece, second intermediate plate and the connection sheet are integrally formed.
Further, the quantity of the bonding folder is four, including two single-layer shield earth clips and two bilayers
Bonding presss from both sides, and is set between the first clamping piece and the second intermediate plate of the single-layer shield earth clip there are one through hole,
Through hole there are two being set between the first clamping piece and the second intermediate plate of the double layer screen earth clip.
Further, the single-layer shield earth clip includes the first single-layer shield earth clip and the second single-layer shield is grounded
Folder, the double layer screen earth clip include the first double layer screen earth clip and the second double layer screen earth clip, the card copper bar bottom
The front side on the right side of seat is equipped with the first single-layer shield earth clip, and the first single-layer shield earth clip left side is adjacent to be equipped with first pair
Layer bonding folder, the rear side in the left side of the first double layer screen earth clip are equipped with the second double layer screen earth clip, and described the
The left side of two double layer screen earth clips is adjacent to be equipped with the second single-layer shield earth clip.
Further, the bonding folder is riveted with the card copper bar pedestal.
Further, the bonding folder is bolted with the card copper bar pedestal.
Further, the right end of the card copper bar pedestal is connected with stress release pedestal, and the stress release pedestal includes
The connecting plate that is inclined upwardly being connected with the card copper bar pedestal, the right end of the connecting plate are connected with horizontal fixed plate, the water
The right end of flat fixed plate is equipped with perforate.
Further, the right end of the perforate is equipped with necking.
Further, the front-end and back-end of the horizontal fixed plate are all provided with fluted, the slotting length of the groove and institute
Perforate is stated to be engaged.
Further, bonding terminal body surface is zinc-plated or nickel plating.
Beneficial effects of the present invention：It has the following advantages that installation is very convenient, any instrument Simple assembled is not required；Installation
Density is high, can handle the shielded cable ground connection of more various outer diameters simultaneously, meanwhile, it occupies little space；Shielded cable is by passing through
The contact area of perforation and bonding folder is more than the 50% of the circumferential area of shielded cable, and frequency impedance characteristic is preferable, 10KHz-
During 100MHz, impedance is no more than 20 Ohm, and during 100MHz-1GHz, impedance is no more than 120 Ohm；There is stress release；
Suitable for copper installation, contact area is big, 300 square millimeters reachable, copper bar grasp >=10N；Bonding folder is to shielding electricity
Cable has grasp, and cable grasp increases with the outside diameter of cable and increased, strong with antiseptic property.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structure diagram of the EMC bondings terminal described according to embodiments of the present invention.
Fig. 2 is a kind of structure of the single-layer shield earth clip of the EMC bondings terminal described according to embodiments of the present invention
Schematic diagram.
Fig. 3 is a kind of structure of the double layer screen earth clip of the EMC bondings terminal described according to embodiments of the present invention
Schematic diagram.
In figure：1. card copper bar pedestal；2. first clamping piece；3. second intermediate plate；4. connection sheet；5. through hole；6. single-layer shield
Earth clip；7. double layer screen earth clip；8. fixture；9. connecting plate；10. horizontal fixed plate；11. perforate；12. necking；It is 13. recessed
Slot.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained belong to what the present invention protected
Scope.
As shown in Figs. 1-3, a kind of EMC bondings terminal according to embodiments of the present invention, including bottom with folder
The card copper bar pedestal 1 of tool 8 and several bondings folder, the bonding folder includes first clamping piece 2 and second intermediate plate 3, described
The lower end of first clamping piece 2 is connected by connection sheet 4 with the lower end of the second intermediate plate 3, the first clamping piece 2 and second intermediate plate 3
On be arranged with several arcwall faces, the arcwall face in the first clamping piece 2 is opposite with the arcwall face in the second intermediate plate 3 to be formed
Several through holes 5, the bonding folder are connected by connection sheet 4 with the card copper bar pedestal 1, the first clamping piece 2, second
Intermediate plate 3 and the connection sheet 4 are integrally formed.
When specifically used, a kind of EMC bondings terminal according to the present invention, including card copper bar pedestal 1, card copper
The bottom of row's pedestal 1 is connected with fixture 8, and card copper bar pedestal 1 is clipped in copper bar, the grasp of fixture 8 when fixture 8 is used to use
>=10N, plays the role of fixed, and the upper end of card copper bar pedestal 1 is connected with several bondings folders, and the structure of bonding folder is
Including first clamping piece 2 and second intermediate plate 3, the lower end of first clamping piece 2 is connected by connection sheet 4 with the lower end of the second intermediate plate 3,
First clamping piece 2, second intermediate plate 3 and the connection sheet 4 are integrally formed, and are equipped in the first clamping piece 2 and second intermediate plate 3 several
Arcwall face, the arcwall face in first clamping piece 2 are set mutually with the arcwall face in second intermediate plate 3 in symmetrical structure one by one, the first folder
A pair of of the arcwall face corresponding with second intermediate plate 3 of piece 2 forms a through hole, and through hole connects shielded cable for wearing, bonding
The species of folder include single-layer shield earth clip 6 and multilayer screen earth clip, the first clamping piece 2 of single-layer shield earth clip 6 with
Through hole 5 there are one being set between the second intermediate plate 3, the first clamping piece 2 and the second intermediate plate of multilayer screen earth clip 7
At least two through holes 5 are equipped between 3, that is to say, that multilayer screen earth clip includes double layer screen earth clip, three layers of shielding connect
Ground folder, four layers of bonding folder, even more multilayer bonding press from both sides, and are needed to be specifically chosen suitable bonding folder according to scene
Species and bonding folder quantity, then the bonding of selection folder is combined mounted on the upper of card copper bar pedestal 1
Card copper bar pedestal 1 after installing, first with copper bar by fixture 8 is connected, then, shielded cable is each passed through installation by end face
The through hole of good bonding folder, the size of through hole are engaged with the diameter of shielded cable so that shielded cable is by passing through
The contact area of perforation and bonding folder is more than the 50% of the circumferential area of shielded cable, and bonding folder has shielded cable
There is larger grasp, bonding folder increases the grasp of shielded cable with the increase of shielded cable, packing density
Height can handle the shielded cable ground connection of the various outer diameter of 4 even more simultaneously, meanwhile, horizontal space occupies very little only
For 13.5mm, longitudinal length 55.4mm.It installs very convenient, any instrument Simple assembled is not required.
It is preferred to select four bonding folders, including two single-layer shield earth clips 6 and two double layer screen earth clips
7, single-layer shield earth clip 6 includes the first single-layer shield earth clip and the second single-layer shield earth clip, the double layer screen ground connection
Folder 7 includes the first double layer screen earth clip and the second double layer screen earth clip, and the front side on the right side of the card copper bar pedestal 1 is equipped with
First single-layer shield earth clip, it is adjacent on the left of the first single-layer shield earth clip to be equipped with the first double layer screen earth clip, it is described
The rear side in the left side of the first double layer screen earth clip is equipped with the second double layer screen earth clip, the second double layer screen earth clip
Left side is adjacent to be equipped with the second single-layer shield earth clip.There is the shielded cable of four on usual copper bar, by combination of the above mode,
After first shielded cable passes through the through hole of the second single-layer shield earth clip, the second double layer screen earth clip lower end is again passed through
Through hole, second shielded cable skip over the second single-layer shield earth clip and being passed through through the second double layer screen earth clip upper end end
Perforation, the 3rd shielded cable are connect through being then passed through the first single-layer shield after the through hole of the lower end of the first double layer screen earth clip
The through hole of ground folder, the 4th shielded cable pass through the through hole of the upper end of the second double layer screen earth clip.
The bonding folder is riveted with the card copper bar pedestal 1.Riveting is more firm to be not easy to loosen.
The bonding folder is bolted with the card copper bar pedestal 1.It is bolted easy to disassemble with replacing.
The right end of the card copper bar pedestal 1 is connected with stress release pedestal, and the stress release pedestal includes and the card
The connecting plate 9 that is inclined upwardly that copper bar pedestal 1 connects, the right end of the connecting plate 9 is connected with horizontal fixed plate 10, described horizontal solid
The right end of fixed board 10 is equipped with perforate 11.Stress release pedestal is used to be secured across the shielded cable of bonding folder, avoids shielding
Phenomena such as cable rocks, and shielded layer and ground loose contact cause impedance ground to increase, and bonding effect is bad, stress release
Pedestal includes connecting plate 9 and horizontal fixed plate 10, and connecting plate 9 is inclined upwardly with the right end of card copper bar pedestal 1 and is connected, connecting plate 9
Right end be connected with horizontal fixed plate 10, the right end of horizontal fixed plate 10 is equipped with perforate 11, and perforate 11 is by horizontal fixed plate 10
Right end is split into two halves, and when the radical of shielded cable is more, can be grouped the right side for tying up to be separately fixed at horizontal fixed plate 10
The two halves at end, play the role of stress release.
The right end of the perforate 11 is equipped with necking 12.
The front-end and back-end of the horizontal fixed plate 10 are all provided with fluted 13, and the slotting length of the groove 13 is opened with described
Hole 11 is engaged.
The shielded cable tied can be stuck in necking 12 and groove 13 by necking 12 and the mutual cooperation of groove 13, be prevented
Only shielded cable comes off.
Bonding terminal body surface is zinc-plated or nickel plating.Anti-corrosion capability to the ground connection performance of shielded cable be also have compared with
Big influence.Conductor occur rust corrosion phenomenon after, can directly result in impedance ground increase it is many times greater, electromagnetic absorption effect is not
Good, serious corrosion can directly result in shielded layer and be disconnected with ground, be equivalently employed without being grounded.So meeting severe jamming signal of communication,
Bonding terminal body plating nickel on surface, antiseptic property is strong, can effectively avoid the generation of the above problem.
Bonding terminal body uses spring steel or copper product.
In conclusion by means of the above-mentioned technical proposal of the present invention, has the following advantages that installation is very convenient, need not appoint
What instrument Simple assembled；Packing density is high, can handle the shielded cable ground connection of more various outer diameters simultaneously, meanwhile, it occupies empty
Between it is small；Shielded cable is more than the 50% of the circumferential area of shielded cable, frequency by the contact area that through hole and bonding press from both sides
Impedance operator is preferable, and during 10KHz-100MHz, impedance is no more than 20 Ohm, and during 100MHz-1GHz, impedance is no more than 120
Ohm；There is stress release；Suitable for copper installation, contact area is big, 300 square millimeters reachable, and copper bar grasp >=
10N；Bonding folder has shielded cable larger grasp, and cable grasp increases with the outside diameter of cable and increased, had
Antiseptic property is strong.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of EMC bondings terminal, which is characterized in that carry fixture including bottom（8）Card copper bar pedestal（1）With it is several
Bonding presss from both sides, and the bonding folder includes first clamping piece（2）And second intermediate plate（3）, the first clamping piece（2）Lower end lead to
Cross connection sheet（4）With the second intermediate plate（3）Lower end connection, the first clamping piece（2）And second intermediate plate（3）On be arranged with
Several arcwall faces, the first clamping piece（2）On arcwall face and the second intermediate plate（3）On arcwall face opposite form several pass through
Perforation（5）, the bonding, which presss from both sides, passes through connection sheet（4）With the card copper bar pedestal（1）Connection, the first clamping piece（2）,
Two intermediate plates（3）With the connection sheet（4）It is integrally formed.
2. a kind of EMC bondings terminal according to claim 1, which is characterized in that the quantity of bonding folder is
Four, including two single-layer shield earth clips（6）With two double layer screen earth clips（7）, the single-layer shield earth clip（6）'s
The first clamping piece（2）With the second intermediate plate（3）Between set there are one through hole（5）, the double layer screen earth clip（7）'s
The first clamping piece（2）With the second intermediate plate（3）Between set there are two through hole（5）.
A kind of 3. EMC bondings terminal according to claim 2, which is characterized in that the single-layer shield earth clip（6）Bag
Include the first single-layer shield earth clip and the second single-layer shield earth clip, the double layer screen earth clip（7）Including the first bilayer screen
Cover earth clip and the second double layer screen earth clip, the card copper bar pedestal（1）The front side on right side connect equipped with the first single-layer shield
Ground presss from both sides, and adjacent on the left of the first single-layer shield earth clip to be equipped with the first double layer screen earth clip, first double layer screen connects
The rear side in the left side of ground folder is equipped with the second double layer screen earth clip, and the left side of the second double layer screen earth clip is adjacent to be equipped with the
Two single-layer shield earth clips.
4. according to a kind of any one of claim 1-3 EMC bondings terminals, which is characterized in that the shielding connects
Ground presss from both sides and the card copper bar pedestal（1）Riveting.
5. according to a kind of any one of claim 1-3 EMC bondings terminals, which is characterized in that the shielding connects
Ground presss from both sides and the card copper bar pedestal（1）It is bolted.
6. according to a kind of any one of claim 1-3 EMC bondings terminals, which is characterized in that the card copper bar
Pedestal（1）Right end be connected with stress release pedestal, the stress release pedestal includes and the card copper bar pedestal（1）Connection
Be inclined upwardly connecting plate（9）, the connecting plate（9）Right end be connected with horizontal fixed plate（10）, the horizontal fixed plate（10）
Right end be equipped with perforate（11）.
A kind of 7. EMC bondings terminal according to claim 6, which is characterized in that the perforate（11）Right end be equipped with
Necking（12）.
A kind of 8. EMC bondings terminal according to claim 7, which is characterized in that the horizontal fixed plate（10）Before
End and rear end are all provided with fluted（13）, the groove（13）Slotting length and the perforate（11）It is engaged.
9. a kind of EMC bondings terminal according to claim 1, which is characterized in that plate on bonding terminal body surface
Zinc or nickel plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132326.XA CN108054528B (en) | 2017-11-15 | 2017-11-15 | A kind of EMC bonding terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132326.XA CN108054528B (en) | 2017-11-15 | 2017-11-15 | A kind of EMC bonding terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054528A true CN108054528A (en) | 2018-05-18 |
| CN108054528B CN108054528B (en) | 2019-08-27 |
Family
ID=62120177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711132326.XA Active CN108054528B (en) | 2017-11-15 | 2017-11-15 | A kind of EMC bonding terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108054528B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768029A (en) * | 2019-10-23 | 2020-02-07 | 芜湖造船厂有限公司 | Electromagnetic shielding device and using method thereof |
| CN111740240A (en) * | 2020-08-25 | 2020-10-02 | 天立电机（宁波）有限公司 | Connecting structure for grounding terminal |
| CN114390837A (en) * | 2021-12-03 | 2022-04-22 | 李红娟 | Large-scale server rack of internet |
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| CN1663076A (en) * | 2002-06-27 | 2005-08-31 | 西门子公司 | Contact device for the electric contact of cable shields |
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| CN102868022A (en) * | 2012-10-09 | 2013-01-09 | 江苏中伟业通讯设备有限公司 | Lightning-protection grounding clip |
| CN203553373U (en) * | 2013-10-12 | 2014-04-16 | 广东安普宏商电气有限公司 | Grounding clamp of cable connector for clamping ground wire |
| CN203942037U (en) * | 2014-05-05 | 2014-11-12 | 国家电网公司 | A kind of clamping-groove type grounding wire erecting device |
| CN204577646U (en) * | 2015-05-14 | 2015-08-19 | 国家电网公司 | Extension type ground wire fixing device |
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| CN1212079A (en) * | 1996-12-23 | 1999-03-24 | 托马斯-贝茨国际公司 | Miniature card edge clip |
| CN1663076A (en) * | 2002-06-27 | 2005-08-31 | 西门子公司 | Contact device for the electric contact of cable shields |
| CN202142692U (en) * | 2011-06-14 | 2012-02-08 | 富士康(昆山)电脑接插件有限公司 | Ground terminal |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110768029A (en) * | 2019-10-23 | 2020-02-07 | 芜湖造船厂有限公司 | Electromagnetic shielding device and using method thereof |
| CN111740240A (en) * | 2020-08-25 | 2020-10-02 | 天立电机（宁波）有限公司 | Connecting structure for grounding terminal |
| CN111740240B (en) * | 2020-08-25 | 2020-11-27 | 天立电机（宁波）有限公司 | Connecting structure for grounding terminal |
| CN114390837A (en) * | 2021-12-03 | 2022-04-22 | 李红娟 | Large-scale server rack of internet |
| CN114390837B (en) * | 2021-12-03 | 2024-06-11 | 杭州建奥电器有限公司 | Large-scale server rack of internet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108054528B (en) | 2019-08-27 |
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