CN111642124A - High-frequency test shielding chamber and production process thereof - Google Patents

High-frequency test shielding chamber and production process thereof Download PDF

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Publication number
CN111642124A
CN111642124A CN202010567464.6A CN202010567464A CN111642124A CN 111642124 A CN111642124 A CN 111642124A CN 202010567464 A CN202010567464 A CN 202010567464A CN 111642124 A CN111642124 A CN 111642124A
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CN
China
Prior art keywords
shell
fixedly connected
frequency test
chamber
high frequency
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Pending
Application number
CN202010567464.6A
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Chinese (zh)
Inventor
包光明
马国强
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Wuxi Lida Shielded Machine Room Set Co ltd
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Wuxi Lida Shielded Machine Room Set Co ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Wuxi Lida Shielded Machine Room Set Co ltd filed Critical Wuxi Lida Shielded Machine Room Set Co ltd
Priority to CN202010567464.6A priority Critical patent/CN111642124A/en
Publication of CN111642124A publication Critical patent/CN111642124A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0001Rooms or chambers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05FSTATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00Carrying-off electrostatic charges
    • H05F3/02Carrying-off electrostatic charges by means of earthing connections
    • H05F3/025Floors or floor coverings specially adapted for discharging static charges

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The invention discloses a high-frequency test shielding room which comprises a static floor and a shell, wherein the top of the static floor is fixedly connected with the bottom of the surface of the shell, the middle part of the front surface of the shell is fixedly connected with a shielding door, air conditioner main units are fixedly connected with the front surface and the two sides of the back part of the surface of the top of the shell, an air outlet chamber is fixedly connected between the two air conditioner main units, fasteners are fixedly connected with the front surface and the back part of the two sides of the inner cavity of the shell, an air outlet device is fixedly connected with the top of the inner cavity of the shell, and an air inlet of the air outlet device is communicated with an air outlet of. According to the high-frequency test shielding chamber and the production process thereof, some equipment inside the shielding chamber can be installed on the whole frame during production, so that the situation that the installation position is changed when the construction data in the later period is deviated is avoided, and the problem that hidden danger is easily generated at the equipment in the subsequent use of the shielding chamber is also avoided.

Description

High-frequency test shielding chamber and production process thereof
Technical Field
The invention relates to the technical field of shielding chambers, in particular to a high-frequency testing shielding chamber and a production process thereof.
Background
The computer equipment is different from other general electromechanical equipment and general electronic equipment, and has a certain requirement for its working environment, and said environment mainly refers to the working temp. relative humidity, air flow rate and air cleanliness of computer and its related equipment, and the shielding chamber is a modern protective equipment specially designed and built for preventing radar microwave radiation from injuring human body. The shell is formed by assembling high-quality cold-rolled galvanized steel plate modules, and is provided with an electromagnetic leakage prevention shielding door, a special ventilation waveguide window and a transmission and fire-fighting waveguide tube. The observation window is specially made by combining imported superfine silver-plated copper wire cloth with cesium-potassium fireproof glass, has good perspective effect, and has the radar microwave radiation leakage value completely meeting the limit standard and higher than the national public irradiation limit standard, thereby playing an effective protection role for the human body working and visiting nearby.
The existing shielding room is installed, installation steps are rough, and a plurality of devices are sequentially installed inside the shielding room after the whole frame is installed, so that the working time is greatly slowed down, and distance deviation caused by a large number of numerical value changes can occur during installation, so that inconvenience is brought to work of people, and the shielding room is also provided with large hidden dangers in subsequent use.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-frequency test shielding chamber and a production process thereof, and solves the problems that the existing shielding chamber is rough in installation and installation steps and distance deviation caused by numerical value change is easy to occur during equipment installation.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a high frequency test shielded room, includes static floor and casing, the top on static floor and the bottom fixed connection on casing surface, the middle part fixedly connected with shield door on the positive surface of casing to the equal fixedly connected with air conditioner host computer in both sides of the front and the back on casing top surface, two fixedly connected with goes out the plenum between the air conditioner host computer.
Preferably, the back of the bottom of the inner cavity of the shell is fixedly connected with a sealed chamber, and the back of the sealed chamber is fixedly connected with the back of the inner cavity of the shell.
Preferably, fasteners are fixedly connected to the front and the back of the two sides of the inner cavity of the shell, an air outlet device is fixedly connected to the top of the inner cavity of the shell, and an air inlet of the air outlet device is communicated with an air outlet of the air conditioner host.
Preferably, the number of the fasteners is four, and the fasteners are uniform in size and are uniformly arranged in the inner cavity of the shell on the same horizontal line.
Preferably, the height of the housing is 3.6M, and the height of the closed chamber is 3M.
Preferably, the middle part of the right side of the surface of the shell is fixedly connected with an anti-interference glass window.
Preferably, equal fixedly connected with backup pad between casing inner chamber top and the both sides to the top and the bottom on backup pad surface all run through there is fixing bolt, fixing bolt is close to the one end of casing and the inner wall fixed connection of casing, and the bottom cover of casing surface both sides is equipped with the fixed block.
Preferably, the bottom of fixed block and the top fixed connection on static floor to the both sides on casing surface and the top fixedly connected with limiting plate that is located the fixed block, the fixed surface fixed connection of fixed axle and fixed block is all passed through to the both sides on limiting plate surface.
Preferably, the fixing bolt has been run through at the middle part of limiting plate surface one side to the surface of fixing bolt has been run through the L template, the bottom of L template and the top contact on static floor, the surface of limiting plate and the both sides that are located to keep away from casing one side all run through and have the fixed thread nail, the bottom of fixed thread nail runs through the L template and extends to the bottom of L template, the bottom of fixed thread nail and the top fixed connection on static floor.
The invention also discloses a high-frequency test shielding chamber and a production process thereof, and the production process specifically comprises the following steps:
s1, mounting base: firstly, a measurer finds a proper position, then the position is subjected to filling type treatment to ensure that the position has no unevenness, then the ground is pretreated, moisture at the position is evaporated and dried to ensure that the ground is in a dry state and is tamped, and then the electrostatic plate of the base can be installed at the position;
s2, manufacturing of the shell: still when measuring ground installation ground at survey crew, the mill just produces the shell, with plate concatenation installation back all around, through installing the fastener between per two boards, increases the firmness between plate and the plate, strengthens the rigidity to install air conditioner host computer and anti-interference glass window and shield door these some finished product spare parts on the surface of shell, accomplish the casting of shell like this.
S3, laying of internal facility lines: after the electrostatic plate is installed, standing for a period of time until the electrostatic plate is precipitated, then installing a closed chamber on the top of the electrostatic plate, fixing the closed chamber firmly, and then connecting all internal circuits through power lines;
s4, mounting of the shell: the whole shell is lifted, then aligned to the mounting groove at the top of the electrostatic plate, then slowly put down, then the shell is firmly fixed at the top of the electrostatic plate through fixing parts such as fixing bolts and fixing pieces, then the back of the closed chamber is fixed with the surface of the shell, and then a circuit mounted in the electrostatic plate is electrically connected with equipment mounted in the shell so as to be electrified;
and S5, checking the equipment, starting various functions and facilities in sequence after all the installation is finished, testing the performance of the shielding chamber by emitting interference waves outside, detecting whether the performance of the shielding chamber is consistent, and finishing the installation.
(III) advantageous effects
The invention provides a high-frequency test shielding chamber and a production process thereof. Compared with the prior art, the method has the following beneficial effects:
(1) the high-frequency test shielding room and the production process thereof are characterized in that the top of an electrostatic floor is fixedly connected with the bottom of the surface of a shell, the middle part of the front surface of the shell is fixedly connected with a shielding door, the front side and the back side of the surface of the top of the shell are fixedly connected with air-conditioning hosts, an air outlet chamber is fixedly connected between the two air-conditioning hosts, the back side of the inner cavity of the shell is fixedly connected with a sealed chamber, the back side of the sealed chamber is fixedly connected with the back side of the inner cavity of the shell, fasteners are fixedly connected with the front side and the back side of the two sides of the inner cavity of the shell, the top of the inner cavity of the shell is fixedly connected with an air outlet device, an air inlet of the air outlet device is communicated with an air outlet of the air-conditioning hosts, some devices in the shielding room can, the problem that hidden danger is easy to occur to the equipment in the subsequent use of the shielding chamber is avoided.
(2) The high-frequency test shielding chamber and the production process thereof are characterized in that by S2, the manufacture of the shell: still when measuring ground installation ground at survey crew, the mill just produces the shell, with plate concatenation installation back all around, through installing the fastener between every two boards, increase the firmness between plate and the plate, strengthen the rigidity, and install air conditioner host computer and anti-interference glass window and shield door these some finished product spare parts on the surface of shell, accomplish the casting of shell like this, can be under the condition of guaranteeing operating mass quality, let the installation work of shielded room become more careful, and shorten operating time simultaneously, so the work of shielded room when the installation will be lighter, let the installation mass stronger simultaneously, can not damage easily, this does benefit to people and uses.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of an air outlet device according to the present invention;
FIG. 4 is a table of comparative experimental data according to the present invention;
FIG. 5 is a cross-sectional view of the housing structure of the present invention;
FIG. 6 is a schematic view of a support plate structure according to the present invention;
fig. 7 is a schematic view of the L-shaped plate structure of the present invention.
In the figure, 1-electrostatic floor, 2-shell, 3-shielded door, 4-air-conditioning host, 5-air outlet chamber, 6-sealed chamber, 7-fastener, 8-air outlet device, 9-anti-interference glass window, 10-support plate, 11-fixing bolt, 12-fixing block, 13-limiting plate, 14-fixing shaft, 15-fixing bolt, 16-L type plate, 17-fixing screw and 18-L type plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: the utility model provides a high frequency test shielded room, includes static floor 1 and casing 2, the bottom fixed connection on the top on static floor 1 and casing 2 surface, the middle part fixedly connected with shield door 3 on the positive surface of casing 1, the equal fixedly connected with air conditioner host computer 4 in both sides of the front and the back of casing 2 top surface, fixedly connected with air outlet chamber 5 between two air conditioner host computers 4.
In the invention, the back of the bottom of the inner cavity of the shell 1 is fixedly connected with a sealed chamber 6, and the back of the sealed chamber 6 is fixedly connected with the back of the inner cavity of the shell 1.
In the invention, the front and the back of the two sides of the inner cavity of the shell 1 are both fixedly connected with fasteners 7, the top of the inner cavity of the shell 1 is fixedly connected with an air outlet device 8, and an air inlet of the air outlet device 8 is communicated with an air outlet of the air-conditioning main unit 4.
In the invention, the number of the fasteners 7 is four, and the fasteners are uniformly arranged in the inner cavity of the shell 1 on the same horizontal line.
In the present invention, the height of the casing 1 is 3.6M, and the height of the sealed chamber 6 is 3M.
In the invention, the middle part of the right side of the surface of the shell 1 is fixedly connected with an anti-interference glass window 9.
In the invention, the supporting plates 10 are fixedly connected between the top and two sides of the inner cavity of the shell 2, the top and the bottom of the surface of each supporting plate 10 are respectively penetrated with a fixing bolt 11, one end of each fixing bolt 11 close to the shell 2 is fixedly connected with the inner wall of the shell 2, and the bottom of two sides of the surface of the shell 2 is sleeved with a fixing block 12.
In the invention, the bottom of the fixed block 12 is fixedly connected with the top of the electrostatic floor 1, the two sides of the surface of the shell 2 and the top of the fixed block 12 are fixedly connected with the limiting plates 13, and the two sides of the surface of the limiting plates 13 are fixedly connected with the surface of the fixed block 12 through the fixed shafts 14.
According to the invention, a fixing bolt 15 penetrates through the middle part of one side of the surface of the limiting plate 13, an L-shaped plate 16 penetrates through the surface of the fixing bolt 15, the bottom of the L-shaped plate 16 is contacted with the top of the electrostatic floor 1, fixing threaded nails 17 penetrate through the two sides of the surface of the limiting plate 13, which are positioned at one side far away from the shell 2, the bottom ends of the fixing threaded nails 17 penetrate through the L-shaped plate 18 and extend to the bottom of the L-shaped plate 18, and the bottom ends of the fixing threaded nails 17 are fixedly connected with the top of the electrostatic floor 1.
The invention also discloses a production process of the high-frequency test shielding chamber, which specifically comprises the following steps:
s1, mounting base: firstly, a measurer finds a proper position, then the position is subjected to filling type treatment to ensure that the position has no unevenness, then the ground surface is subjected to pretreatment, moisture at the position is evaporated and dried to ensure that the ground surface is in a dry state and is tamped, and then the electrostatic plate 1 of the base can be installed at the position;
s2, manufacturing of case 1: still when measuring ground installation ground at survey crew, the mill just produces shell 1, with plate concatenation installation back all around, through installing fastener 7 between per two boards, increases the firmness between plate and the plate, strengthens the rigidity to install air conditioner host computer 4 and anti-interference glass window 9 and shield door 3 these some finished product spare parts on shell 1's surface, accomplish the casting of shell 1 like this.
S3, laying of internal facility lines: after the electrostatic plate 1 is installed, standing for a period of time until the electrostatic plate is precipitated, then installing a closed chamber 6 at the top of the electrostatic plate 1, fixing the electrostatic plate firmly, and then connecting all internal circuits through power lines;
s4, mounting of housing 1: the whole shell 1 is lifted, then the whole shell is aligned to a mounting groove in the top of the electrostatic plate 1, then the whole shell is slowly put down, then the shell 1 is firmly fixed on the top of the electrostatic plate 1 through fixing parts such as fixing bolts and fixing pieces, then the back of the closed chamber 6 is fixed with the surface of the shell 1, and then a circuit installed in the electrostatic plate 1 is electrically connected with equipment installed in the shell 1 to electrify the equipment;
s5, checking the equipment, after all the installation is finished, starting each function and facility in turn, testing the performance of the shielding room by emitting interference waves outside, detecting whether the performance of the shielding room is accordant, and then finishing the installation.
Comparative test
Two open spaces are selected, construction is carried out by adopting an original mode and an embodiment construction mode respectively, the embodiment construction mode consumes 20 hours and 80000 yuan, the quality is high after the construction is finished and the quality is detected, the original mode construction mode consumes 24 hours and 80000 yuan, and the construction is finished and the quality is detected and then the construction meets the standard.
In conclusion, the construction mode of the embodiment is obviously superior to the common construction mode.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a high frequency test shielded cell, includes static floor (1) and casing (2), the bottom fixed connection on the top and the casing (2) surface on static floor (1), its characterized in that: the air conditioner is characterized in that a shielding door (3) is fixedly connected to the middle of the front surface of the shell (1), air conditioner main units (4) are fixedly connected to the front surface and the two sides of the back of the top surface of the shell (2), and an air outlet chamber (5) is fixedly connected between the two air conditioner main units (4).
2. The high frequency test shielded cell of claim 1, wherein: the back of the bottom of the inner cavity of the shell (1) is fixedly connected with a sealed chamber (6), and the back of the sealed chamber (6) is fixedly connected with the back of the inner cavity of the shell (1).
3. The high frequency test shielded cell of claim 1, wherein: the front and the back of the two sides of the inner cavity of the shell (1) are fixedly connected with fasteners (7), the top of the inner cavity of the shell (1) is fixedly connected with an air outlet device (8), and an air inlet of the air outlet device (8) is communicated with an air outlet of the air conditioner main unit (4).
4. The high frequency test shielded cell of claim 1, wherein: the number of the fasteners (7) is four, and the fasteners are uniformly arranged in the inner cavity of the shell (1) on the same horizontal line in the same size.
5. The high frequency test shielded cell of claim 1, wherein: the height of the housing (1) is 3.6M and the height of the closed chamber (6) is 3M.
6. The high frequency test shielded cell of claim 1, wherein: the middle part of the right side of the surface of the shell (1) is fixedly connected with an anti-interference glass window (9).
7. The high frequency test shielded cell of claim 1, wherein: equal fixedly connected with backup pad (10) between casing (2) inner chamber top and the both sides to the top and the bottom on backup pad (10) surface have all run through fixing bolt (11), fixing bolt (11) are close to the one end of casing (2) and the inner wall fixed connection of casing (2), and the bottom cover of casing (2) surface both sides is equipped with fixed block (12).
8. The high frequency test shielded cell of claim 7, wherein: the bottom of fixed block (12) and the top fixed connection on static floor (1) to the top fixedly connected with limiting plate (13) that casing (2) surperficial both sides just are located fixed block (12), the fixed surface connection of fixed axle (14) and fixed block (12) is all passed through to the both sides on limiting plate (13) surface.
9. The high frequency test shielded cell of claim 8, wherein: the middle part of limiting plate (13) surface one side is run through and is had gim peg (15) to the surface of gim peg (15) is run through and is had L template (16), the bottom of L template (16) and the top contact on static floor (1), the surface of limiting plate (13) just is located the both sides of keeping away from casing (2) one side and all runs through and has fixed screw thread nail (17), the bottom of fixed screw thread nail (17) runs through L template (18) and extends to the bottom of L template (18), the bottom of fixed screw thread nail (17) and the top fixed connection on static floor (1).
10. A high frequency test chamber according to any one of claims 1 to 9, wherein: the production process specifically comprises the following steps:
s1, mounting base: firstly, a measurer finds a proper position, then the position is subjected to filling type treatment to ensure that the position has no unevenness, then the ground surface is pretreated, moisture at the position is evaporated and dried to ensure that the ground surface is in a dry state and is tamped, and then the electrostatic plate (1) of the base can be installed at the position;
s2, manufacturing of the shell (1): when a measurer is used for measuring the ground and installing a foundation, a factory produces the shell (1), after the surrounding plates are spliced and installed, the fasteners (7) are installed between every two plates, the firmness between the plates is increased, the rigidity is enhanced, and finished parts, such as the air conditioner main unit (4), the anti-interference glass window (9) and the shielding door (3), are installed on the surface of the shell (1), so that the casting of the shell (1) is completed;
s3, laying of internal facility lines: after the electrostatic plate (1) is installed, standing for a period of time until the electrostatic plate is precipitated, then installing a closed chamber (6) at the top of the electrostatic plate (1), fixing the closed chamber firmly, and then connecting all internal circuits through power lines;
s4, mounting of the shell (1): the whole shell (1) is lifted, then the whole shell is aligned to a mounting groove in the top of the electrostatic plate (1), then the whole shell is slowly put down, then the shell (1) is firmly fixed on the top of the electrostatic plate (1) through fixing parts such as fixing bolts and fixing pieces, then the back of the closed chamber (6) is well fixed with the surface of the shell (1), and then a circuit mounted in the electrostatic plate (1) is electrically connected with equipment mounted in the shell (1) to electrify the equipment;
and S5, checking the equipment, starting various functions and facilities in sequence after all the installation is finished, testing the performance of the shielding chamber by emitting interference waves outside, detecting whether the performance of the shielding chamber is consistent, and finishing the installation.
CN202010567464.6A 2020-06-19 2020-06-19 High-frequency test shielding chamber and production process thereof Pending CN111642124A (en)

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CN202010567464.6A CN111642124A (en) 2020-06-19 2020-06-19 High-frequency test shielding chamber and production process thereof

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Application Number Priority Date Filing Date Title
CN202010567464.6A CN111642124A (en) 2020-06-19 2020-06-19 High-frequency test shielding chamber and production process thereof

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CN111642124A true CN111642124A (en) 2020-09-08

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205648337U (en) * 2016-04-15 2016-10-12 东莞市全测电子科技有限公司 Novel EM shielded room
CN207354809U (en) * 2017-09-20 2018-05-11 青岛中卓海泰微波科技有限公司 A kind of darkroom of anti-high field intensity substitutes electromagnetic compatibility shielding room
CN207543497U (en) * 2017-10-31 2018-06-26 青岛中卓海泰微波科技有限公司 A kind of pin-connected panel screened room with alarm function
CN208971906U (en) * 2018-08-23 2019-06-11 鞍山至镁科技有限公司 A kind of magnesium alloy electromagnetic shielding chamber
CN210202347U (en) * 2019-04-04 2020-03-27 常州载行医疗技术有限公司 Simple assembled electromagnetic shielding chamber with preset structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205648337U (en) * 2016-04-15 2016-10-12 东莞市全测电子科技有限公司 Novel EM shielded room
CN207354809U (en) * 2017-09-20 2018-05-11 青岛中卓海泰微波科技有限公司 A kind of darkroom of anti-high field intensity substitutes electromagnetic compatibility shielding room
CN207543497U (en) * 2017-10-31 2018-06-26 青岛中卓海泰微波科技有限公司 A kind of pin-connected panel screened room with alarm function
CN208971906U (en) * 2018-08-23 2019-06-11 鞍山至镁科技有限公司 A kind of magnesium alloy electromagnetic shielding chamber
CN210202347U (en) * 2019-04-04 2020-03-27 常州载行医疗技术有限公司 Simple assembled electromagnetic shielding chamber with preset structure

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Application publication date: 20200908