CN113587284A - Ventilation and noise reduction device of constant-temperature plant - Google Patents
Ventilation and noise reduction device of constant-temperature plant Download PDFInfo
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- CN113587284A CN113587284A CN202110896212.2A CN202110896212A CN113587284A CN 113587284 A CN113587284 A CN 113587284A CN 202110896212 A CN202110896212 A CN 202110896212A CN 113587284 A CN113587284 A CN 113587284A
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- constant
- temperature
- ventilation
- noise reduction
- reduction device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0075—Systems using thermal walls, e.g. double window
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
Abstract
The utility model provides a ventilation noise reduction device of constant temperature factory building, including constant temperature wallboard main part, the installation base, the platform, be equipped with the installation base in the lower part of constant temperature wallboard main part, and be equipped with the platform on the upper portion of constant temperature wallboard main part, a serial communication port, the device still includes constant temperature baffle and dust fall constant temperature equipment, constant temperature baffle passes through the relative wallboard main part lift removal of drive arrangement, the inside circle of constant temperature baffle is equipped with the shape pipe assembly that returns that is used for the dust fall and adjusts the humiture, the relative dust fall constant temperature equipment that sets up outside constant temperature baffle, the both ends that correspond this shape pipe assembly that returns communicate respectively and return shape inside passageway. The ventilation and noise reduction device of the constant-temperature factory building is provided with the wallboard main body, the installation base, the constant-temperature partition plate and the dust-fall constant-temperature device, the wallboard main body is driven to lift through the driving device to perform constant-temperature control operation, intelligent automatic adjustment and management can be achieved, the ventilation and noise reduction device of the constant-temperature factory building is convenient to use and meets the requirements of constant-temperature, constant-pressure, constant-humidity and dust-fall environments of the constant-temperature factory building, and the ventilation and noise reduction device of the constant-temperature factory building is high in practicability, convenient and fast.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to an equipment device in the building industry, in particular to a ventilation and noise reduction device and equipment for a constant-temperature factory building in the high and new material comprehensive industry.
[ background of the invention ]
The constant-temperature factory building is a product required by modern industrial development, has accurate requirements on processing environment and indoor temperature and humidity standards, and is closely related to modern industry and advanced technology in development. Due to the relatively severe requirements on the environment in precision machinery industry (such as processing of gyroscopes, micro bearings and the like) and semiconductor industry (such as large-scale integrated circuit production), the development of the related technology of the constant-temperature plant is promoted, and the constant-temperature plant is quite commonly applied to precision machinery, semiconductor, aerospace, atomic energy and other industries at present.
Factory building among the prior art is the place that is used for depositing article, the ventilation and the noise interference of factory building can produce direct influence to environment and personnel, the humiture also can directly influence the life and the operational reliability of deposit goods and materials, constant temperature factory building needs constant temperature, the constant voltage, the environmental requirement of constant humidity and dust control in fixed range, the scheme that this environment was realized to the tradition is gone on for the equipment that is relevant at indoor installation, but because equipment installs usually in indoor top, lead to its effect comparatively to limit, be unfavorable for reaching constant temperature purpose fast. Therefore, a ventilation and noise reduction device for a constant-temperature factory building in a high and new material comprehensive industry is needed to solve the defects.
And if the factory building that does not have integration wholeness design in early stage will carry out strict accurate ventilation equipment and fall the control of making an uproar, need add extra equipment and regulation and control equipment, just need pay out high cost, and probably can reach the standard still not fully satisfactory, only propose at the beginning of the construction just for ventilation accuse temperature fall make an uproar and design the factory building of integrating various integration automation equipment in an organic whole, just can satisfy the demand that high-efficient energy-conserving ground regulation control goes out high standard environmental requirement.
[ summary of the invention ]
The invention provides a ventilation and noise reduction device for a constant-temperature factory building in the high and new material comprehensive industry, which aims to solve the problems that although the constant-temperature factory building in the prior art has the function of convenient installation, the constant-temperature factory building needs the environmental requirements of constant temperature, constant pressure, constant humidity and dust control in a fixed range, the traditional scheme for realizing the environment is to install relevant equipment indoors, but the equipment is usually installed at the top of the room, so that the function of the equipment is limited, and the constant-temperature purpose is not easily and quickly achieved.
The utility model provides a ventilation noise reduction device of constant temperature factory building, including constant temperature wallboard main part, the installation base, the platform, be equipped with the installation base in the lower part of constant temperature wallboard main part, and be equipped with the platform on the upper portion of constant temperature wallboard main part, a serial communication port, the device still includes constant temperature baffle and dust fall constant temperature equipment, constant temperature baffle passes through the relative wallboard main part lift removal of drive arrangement, the inside circle of constant temperature baffle is equipped with the shape pipe assembly that returns that is used for the dust fall and adjusts the humiture, the relative dust fall constant temperature equipment that sets up outside constant temperature baffle, the both ends that correspond this shape pipe assembly that returns communicate respectively and return shape inside passageway.
The driving device comprises a servo motor, a transmission rod, a positioning block arranged on a platform, a first bevel gear, a second bevel gear, a screw rod and a lifting slide block arranged on a constant-temperature partition plate, wherein the servo motor is arranged in the center of a roof of a factory building, the transmission rod is driven by a rotating shaft, the transmission rod is meshed with the second bevel gear through the first bevel gear, the second bevel gear is fixed at the top end of the screw rod, the transmission rod drives the screw rod to rotate through the first bevel gear, the positioning block fixedly arranged on the platform is arranged in the middle of the transmission rod, and the transmission rod is arranged on the positioning block in a rotating and penetrating mode.
The transmission rods, the positioning blocks, the first bevel gears, the second bevel gears and the screws driven by the servo motors are arranged in pairs and symmetrically arranged by taking the shaft of the servo motor as a central line, and the driving device comprises two transmission rods, two positioning blocks, two first bevel gears, two second bevel gears and two screws.
The two screws respectively penetrate through the platform to be meshed with the lifting slide blocks on the two sides of the constant-temperature partition plate through threads, and the constant-temperature partition plate is driven to move up and down through the rotation of the screws; the bottom of the screw rod extends to the base surface of the mounting base to be rotatably connected.
The dust-fall constant temperature device comprises an equipment main body, a filter plate, a positioning plate, an exhaust fan, a thermostat, an air inlet and an external connector arranged on the outer wall of the equipment main body, wherein the positioning plate is arranged between two opposite inner walls of the equipment main body, and two ends of the positioning plate are respectively clamped and fixed on two opposite inner walls of the equipment main body; a filter plate is arranged on one outward side of the positioning plate, the exhaust fan is arranged in the equipment main body and fixed at the center of the positioning plate in an embedded manner, and an air outlet of the exhaust fan is communicated to an inner channel of the square-shaped pipe assembly; a thermostat is arranged outside the filter plate.
The exhaust fan comprises a fan, an air inlet and an air outlet, wherein the air inlet is arranged towards the direction of the filter plate, the fan is fixed on the part corresponding to the positioning plate, and the air outlet is arranged towards the direction of the internal constant-temperature partition plate.
The thermostat is arranged in the equipment body and faces the filter plate, and the temperature control direction of the thermostat is opposite to the air inlet direction of the exhaust fan.
The ventilation and noise reduction device of the constant-temperature factory building is provided with the wallboard main body, the installation base, the constant-temperature partition plate and the dust-fall constant-temperature device, the wallboard main body is driven to lift through the driving device to perform constant-temperature control operation, intelligent automatic adjustment and management can be achieved, the ventilation and noise reduction device of the constant-temperature factory building is convenient to use and meets the requirements of constant-temperature, constant-pressure, constant-humidity and dust-fall environments of the constant-temperature factory building, and the ventilation and noise reduction device of the constant-temperature factory building is high in practicability, convenient and fast.
[ description of the drawings ]
FIG. 1 is a schematic structural view of a ventilation and noise reduction device of a constant-temperature plant according to the present invention;
FIG. 2 is a top view of a ventilation and noise reduction device of a constant temperature plant according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;
wherein: 10. A wallboard body; 20. installing a base; 30. a platform; 40. a drive device; 41. a servo motor; 42. a transmission rod; 43. positioning blocks; 44. a first bevel gear; 45. a second bevel gear; 46. a screw; 47. lifting the slide block; 50. a constant temperature partition plate; 60. a loop pipe assembly; 80. a dust-settling constant-temperature device; 81. an apparatus main body; 82. a filter plate; 83. positioning a plate; 84. an exhaust fan; 841. a fan; 842. an air outlet; 85. a thermostat; 86. an air inlet; 87. and connecting the connector externally.
[ detailed description ] embodiments
The invention will be described in detail below with reference to the drawings, wherein examples of the embodiments are shown in the drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1, a ventilation and noise reduction device for a constant temperature factory building is shown, which includes a constant temperature wallboard main body 10, an installation base 20, a platform 30, an installation base 20 disposed at a lower portion of the constant temperature wallboard main body 10, and a platform 30 disposed at an upper portion of the constant temperature wallboard main body 10, the ventilation and noise reduction device further includes a constant temperature partition plate 50 and a dust-fall constant temperature device 80, the constant temperature partition plate 40 moves up and down relative to the wallboard main body 10 through a driving device 40, a clip-shaped pipe assembly 60 for dust fall and temperature and humidity adjustment is spirally disposed inside the constant temperature partition plate 50, the dust-fall constant temperature device 80 disposed opposite to the constant temperature partition plate 50 is disposed outside the constant temperature partition plate 50, and two ends corresponding to the clip-shaped pipe assembly 60 are respectively communicated with an inner channel of the clip-shaped pipe assembly.
The driving device 40 comprises a servo motor 41, a transmission rod 42, a positioning block 43 arranged on the platform, a first bevel gear 44, a second bevel gear 45, a screw rod 46 and a lifting slide block 47 arranged on a constant temperature partition 50, wherein the servo motor 41 is arranged in the center of the roof of the factory building, the transmission rod 42 is driven through a rotating shaft, the transmission rod 42 is meshed with the second bevel gear 45 through the first bevel gear 44, the second bevel gear 45 is fixed at the top end of the screw rod 46, the transmission rod 42 drives the screw rod 46 to rotate through the first bevel gear 44, the positioning block 43 fixedly arranged on the platform is arranged in the middle of the transmission rod 42, and the transmission rod 42 is arranged on the positioning block 43 in a rotating and penetrating manner.
The rotating shaft of the servo motor 41 is vertical, the rotating shaft of the driving transmission rod 42 is horizontal, the end of the driving transmission rod 42 is provided with a first bevel gear 44, the first bevel gear 44 is meshed with a second bevel gear 45 to convert the driving direction from the horizontal direction to the vertical direction, and the driving screw 46 which is vertically arranged is rotated.
The transmission rod 42, the positioning block 43, the first bevel gear 44, the second bevel gear 45 and the screw 46 driven by the servo motor 41 are all arranged in pairs, one servo motor 41 drives the two screws 46 through two sets of transmission pairs, and the screws are driving parts for pulling the thermostatic partition plate to ascend and descend through the lifting slide block 47.
The two positioning blocks 43 are arranged symmetrically by taking the axis of the servo motor 41 as a central line, and the driving device comprises two transmission rods 42, two positioning blocks 43, two first bevel gears 44, two second bevel gears 45 and two screw rods 46.
The two screws 46 respectively penetrate through the platform 30 and are meshed with the lifting slide blocks 47 on two sides of the constant temperature partition plate 50 through threads, and the constant temperature partition plate 50 is driven to move up and down through the rotation of the screws 46; the bottom of the threaded rod 46 extends to the base surface of the mounting base 20 for pivotal connection.
The dust-settling thermostatic device 80 comprises an equipment body 81, a filter plate 82, a positioning plate 83, an exhaust fan 84, a thermostat 85, an air inlet 86 and an external connector 87 arranged on the outer wall of the equipment body, wherein the positioning plate 83 is arranged between two opposite inner walls of the equipment body 81, and two ends of the positioning plate are respectively clamped and fixed on the two opposite inner walls of the equipment body; a filter plate 82 is arranged on one side of the positioning plate facing outwards, an exhaust fan is arranged in the equipment main body and fixed at the center of the positioning plate in an embedded manner, and an air outlet of the exhaust fan is communicated to an inner channel of the square-shaped pipe assembly 60.
The blower 84 includes a fan 841, an air inlet 86 and an air outlet 842, wherein the air inlet 86 is disposed toward the filter plate 82, the fan 841 is fixed on a portion corresponding to the positioning plate 83, and the air outlet 842 is disposed toward the inner thermostatic partition 50.
The thermostat 85 is provided in the apparatus main body 81 so as to face the filter plate 82, and the thermostat 85 controls the temperature in a direction opposite to the air inlet direction of the exhaust fan 84.
The ventilation and noise reduction device of the constant-temperature factory building is provided with the wallboard main body, the installation base, the constant-temperature partition plate and the dust-fall constant-temperature device, the wallboard main body is driven to lift through the driving device to perform constant-temperature control operation, intelligent automatic adjustment and management can be achieved, the ventilation and noise reduction device of the constant-temperature factory building is convenient to use and meets the requirements of constant-temperature, constant-pressure, constant-humidity and dust-fall environments of the constant-temperature factory building, and the ventilation and noise reduction device of the constant-temperature factory building is high in practicability, convenient and fast.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a ventilation noise reduction device of constant temperature factory building, including constant temperature wallboard main part, the installation base, the platform, be equipped with the installation base in the lower part of constant temperature wallboard main part, and be equipped with the platform on the upper portion of constant temperature wallboard main part, a serial communication port, the device still includes constant temperature baffle and dust fall constant temperature equipment, constant temperature baffle passes through the relative wallboard main part lift removal of drive arrangement, the inside circle of constant temperature baffle is equipped with the shape pipe assembly that returns that is used for the dust fall and adjusts the humiture, the relative dust fall constant temperature equipment that sets up outside constant temperature baffle, the both ends that correspond this shape pipe assembly that returns communicate respectively and return shape inside passageway.
2. The ventilation and noise reduction device of the constant-temperature plant according to claim 1, wherein the driving device comprises a servo motor, a transmission rod, a positioning block arranged on the platform, a first bevel gear, a second bevel gear, a screw rod and a lifting slide block arranged on the constant-temperature partition plate, wherein the servo motor is arranged in the center of the plant ceiling and drives the transmission rod through a rotating shaft, the transmission rod is meshed with the second bevel gear through the first bevel gear, the second bevel gear is fixed at the top end of the screw rod, the transmission rod drives the screw rod to rotate through the first bevel gear, the positioning block fixedly arranged on the platform is arranged in the middle of the transmission rod, and the transmission rod is arranged on the positioning block in a rotating and penetrating manner.
3. The ventilation and noise reduction device for the constant-temperature plant according to claim 1, wherein the transmission rod, the positioning blocks, the first bevel gears, the second bevel gears and the screws driven by the servo motor are arranged in pairs and symmetrically arranged by taking the shaft of the servo motor as a center line, and the driving device comprises two transmission rods, two positioning blocks, two first bevel gears, two second bevel gears and two screws.
4. The ventilation and noise reduction device of the constant-temperature plant according to claim 3, wherein two screws respectively arranged at two sides of the constant-temperature partition plate penetrate through the platform to be meshed with the lifting slide blocks at two sides of the constant-temperature partition plate through threads, and the constant-temperature partition plate is driven to move up and down through the rotation of the screws.
5. The ventilation and noise reduction device of the constant-temperature plant according to claim 4, wherein the bottoms of the two screws extend to the base surface of the mounting base and are rotatably connected with the base surface.
6. The ventilation and noise reduction device of the constant-temperature plant according to claim 1, wherein the dust-settling and constant-temperature device comprises an equipment main body, a filter plate, a positioning plate, an exhaust fan, a thermostat, an air inlet and an external connector arranged on the outer wall of the equipment main body, wherein the positioning plate is arranged between two opposite inner walls of the equipment main body, and two ends of the positioning plate are respectively clamped and fixed on two opposite inner walls of the equipment main body; the filter plate is arranged on one outward side of the positioning plate, the exhaust fan is arranged in the equipment main body and fixed at the center of the positioning plate in an embedded mode, and an air outlet of the exhaust fan is communicated to a channel inside the square-shaped pipe assembly.
7. The ventilation and noise reduction device for the constant-temperature plant according to claim 6, wherein the exhaust fan comprises a fan, an air inlet and an air outlet, the air inlet is arranged towards the direction of the filter plate, the fan is fixed on the corresponding part of the positioning plate, and the air outlet is arranged towards the direction of the internal constant-temperature partition plate.
8. The ventilation and noise reduction device of the constant-temperature plant according to claim 6, wherein the thermostat is clamped in the equipment body and is arranged towards the filter plate, and the temperature control direction of the thermostat is opposite to the air inlet direction of the exhaust fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896212.2A CN113587284A (en) | 2021-08-05 | 2021-08-05 | Ventilation and noise reduction device of constant-temperature plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110896212.2A CN113587284A (en) | 2021-08-05 | 2021-08-05 | Ventilation and noise reduction device of constant-temperature plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113587284A true CN113587284A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110896212.2A Pending CN113587284A (en) | 2021-08-05 | 2021-08-05 | Ventilation and noise reduction device of constant-temperature plant |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989000268A1 (en) * | 1987-06-30 | 1989-01-12 | Kabushiki Kaisha Komatsu Seisakusho | Radiation air-conditioner |
| CN108691374A (en) * | 2018-06-28 | 2018-10-23 | 浙江解放装饰工程有限公司 | One kind can automatic temperature-control double-layer curtain wall |
| CN109163406A (en) * | 2018-08-03 | 2019-01-08 | 金桂光 | A kind of ventilation device for plant floor |
| CN209706192U (en) * | 2018-12-25 | 2019-11-29 | 江苏艾和系统集成工程有限公司 | Height-adjustable heater |
| CN211781382U (en) * | 2019-10-26 | 2020-10-27 | 福建西伯力环保科技有限公司 | Air convection electric heater |
| CN212774832U (en) * | 2020-06-09 | 2021-03-23 | 国家电投集团协鑫滨海发电有限公司 | Modular fan noise reduction device for thermal power plant |
| CN212987565U (en) * | 2020-03-25 | 2021-04-16 | 黎城太行钢铁有限公司 | Temperature sensing control device for factory building |
| US20210123617A1 (en) * | 2019-10-29 | 2021-04-29 | Hall Labs Llc | Radiant Panel with Heat Exchange Device |
| US20210148586A1 (en) * | 2019-11-18 | 2021-05-20 | Hall Labs Llc | Radiant Panel with Fresh Air |
-
2021
- 2021-08-05 CN CN202110896212.2A patent/CN113587284A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989000268A1 (en) * | 1987-06-30 | 1989-01-12 | Kabushiki Kaisha Komatsu Seisakusho | Radiation air-conditioner |
| CN108691374A (en) * | 2018-06-28 | 2018-10-23 | 浙江解放装饰工程有限公司 | One kind can automatic temperature-control double-layer curtain wall |
| CN109163406A (en) * | 2018-08-03 | 2019-01-08 | 金桂光 | A kind of ventilation device for plant floor |
| CN209706192U (en) * | 2018-12-25 | 2019-11-29 | 江苏艾和系统集成工程有限公司 | Height-adjustable heater |
| CN211781382U (en) * | 2019-10-26 | 2020-10-27 | 福建西伯力环保科技有限公司 | Air convection electric heater |
| US20210123617A1 (en) * | 2019-10-29 | 2021-04-29 | Hall Labs Llc | Radiant Panel with Heat Exchange Device |
| US20210148586A1 (en) * | 2019-11-18 | 2021-05-20 | Hall Labs Llc | Radiant Panel with Fresh Air |
| CN212987565U (en) * | 2020-03-25 | 2021-04-16 | 黎城太行钢铁有限公司 | Temperature sensing control device for factory building |
| CN212774832U (en) * | 2020-06-09 | 2021-03-23 | 国家电投集团协鑫滨海发电有限公司 | Modular fan noise reduction device for thermal power plant |
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Application publication date: 20211102 |
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