CN113370358A - Production method of bare concrete screw hole prefabricated plug - Google Patents
Production method of bare concrete screw hole prefabricated plug Download PDFInfo
- Publication number
- CN113370358A CN113370358A CN202011577114.4A CN202011577114A CN113370358A CN 113370358 A CN113370358 A CN 113370358A CN 202011577114 A CN202011577114 A CN 202011577114A CN 113370358 A CN113370358 A CN 113370358A
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- China
- Prior art keywords
- concrete
- screw hole
- pouring
- plug
- prefabricated plug
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- 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.)
- Pending
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- 239000004567 concrete Substances 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 42
- 239000011799 hole material Substances 0.000 claims description 68
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
- 239000000741 silica gel Substances 0.000 claims description 35
- 229910002027 silica gel Inorganic materials 0.000 claims description 35
- 238000007639 printing Methods 0.000 claims description 17
- 238000010276 construction Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 238000013461 design Methods 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000011178 precast concrete Substances 0.000 claims description 3
- 238000009417 prefabrication Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000010923 batch production Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
- B28B7/346—Manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
- B28B7/348—Moulds, cores, or mandrels of special material, e.g. destructible materials of plastic material or rubber
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The invention belongs to the technical field of civil engineering concrete pouring, and particularly relates to a production method of a prefabricated plug of a plurality of bare concrete screw holes. The invention has the advantages of ensuring the flatness of the screw hole, good surface forming effect, low production cost, high production efficiency, low labor consumption and the like, and is suitable for all fair-faced concrete screw holes with high requirement on the effect of plugging the screw hole.
Description
Technical Field
The invention belongs to the technical field of civil engineering concrete pouring, and particularly relates to a production method of a precast plug for a bare concrete screw hole.
Background
With the development of the fair-faced concrete in China, the requirement standard for the forming quality of the fair-faced concrete is higher and higher. The fair-faced concrete also represents high-standard and high-precision construction quality in the field-cast concrete industry of China. The bare concrete screw hole is mainly provided with several basic screw holes, namely a harness cord screw hole, a three-joint screw hole and a five-joint screw hole, the screw hole is usually plugged in an artificial mode, the quality defects that the plugging surface is uneven, the plugging depth is not uniform, the color of the plugging hole is not uniform with that of the bare concrete surface, and the like exist in the artificial plugging, meanwhile, the screw holes are plugged in sequence due to the manual operation, the plugging time of each hole is 2-5 minutes, the plugging efficiency is low, and the labor consumption is large. When the top screw hole of high-rise building and the like is plugged, certain potential safety hazards exist, and during top plugging, mortar in the screw hole can fall down due to gravity, certain change requirements are imposed on the dry and wet degree of the plugging mortar, the construction quality is difficult to control, and manual mortar plugging is adopted manually, so that the comprehensive cost is high.
For example, the chinese utility model patent of grant bulletin number CN 204163396U discloses a clear water concrete form, including backplate and texture template, the texture template be the silica gel membrane, the silica gel membrane upper surface is provided with concave-convex texture pattern layer, the silica gel membrane lower surface bonds with the backplate surface, the silica gel membrane is equipped with a set of tie-down screw hole that link up with the backplate in corresponding position. The template has the advantages of good surface flatness of the fair-faced concrete and low production cost, and is suitable for the environment for manufacturing the textured fair-faced concrete. Because to drawing screw rod hole and waiting to bore under the condition that pellosil and backplate are pasted, the pellosil receives the damage very easily, and intensity is weak moreover.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a production method of a bare concrete screw hole prefabricated plug, aiming at overcoming the defects that the bare concrete plug is blocked by people, the blocking surface is uneven, the blocking size is uneven, the manual consumption is large and the production cost is high. The invention has the advantages of ensuring the flatness of the screw hole, good surface forming effect, low production cost, high production efficiency, low labor consumption and the like, and is suitable for all fair-faced concrete screw holes with high requirement on the effect of plugging the screw hole.
The invention provides a production method of a bare concrete screw hole prefabricated plug, which comprises the steps of determining a screw hole use material, determining the specification and the size of a screw hole, determining the plugging depth of the screw hole, drawing a plug model, using 3d as a bottom die, reversely demoulding silica gel, prefabricating and pouring concrete, and installing the prefabricated plug, and finally completing the production construction of bare concrete plug plugging.
The invention relates to a production method of a precast plug for a bare concrete screw hole, which comprises the following steps:
step A: determining a concrete specification standard of a screw hole material machine, and confirming the specification of a screw hole through a deepening design before the clear water concrete construction;
and B: manufacturing a prefabricated plug bottom die, determining the plugging size of a screw hole through deepening design, and then manufacturing a die with a specific specification on a model in a 3d printing mode;
and C: manufacturing a silica gel mold, directly performing batch mold overturning, determining a clear water concrete blocking molding surface, directly contacting the molding surface with the silica gel surface, determining a prefabricated opening pouring surface, and placing the pouring surface at the lower part;
step D: c, performing clear water concrete prefabrication pouring, after the operation of the step C is completed, if the color of the screw hole is required to be consistent with that of the surrounding concrete, confirming the using position of the batch of silica gel molds, confirming the number and specification of the screw hole of the area according to the pouring of the clear water concrete in a certain area during each pouring, and performing grouting pouring by using the same batch of clear water concrete mortar during the concrete pouring; if other color and strength requirements exist, slurry mixing treatment can be carried out for pouring, and the form can be removed after the corresponding strength is achieved after maintenance;
step E: and (3) mounting the prefabricated plug, after the bare concrete template and the screw are demoulded and reach certain strength, mounting the prefabricated plug, and coating a layer of structural adhesive around the plug during mounting and then mounting. The prefabricated plug is adopted for installation, manual installation can be facilitated, plugging steps are omitted, construction efficiency is improved, labor cost is saved, and construction time is prolonged.
Preferably, a harness screw or a three-joint screw or a five-joint screw is selected in the step A. Different screw rods have different molding effects after the mold is removed, the joint of the harness cord screw rod is in a hollow form, and a section of screw rod is reserved after the mold is removed for the three-joint screw rod. Therefore, the form and the size of the screw hole and the plugging depth of the screw hole are determined according to the construction purpose, and the construction standardization is achieved.
In any of the above schemes, preferably, in the step B, the 3d printing may adopt high-precision photosensitive resin or PLA material to perform model printing to obtain the prefabricated plug bottom die, and may also perform batch printing according to the requirements of batch dies. The 3d printing can be used for printing in multiple types of features and is suitable for screw holes in multiple types.
The prefabricated bottom die is manufactured by adopting 3d printing on the prefabricated plug, and the prefabricated bottom die has the main beneficial effects of controllable shape, suitability for screw holes and plugs with various specifications and types and requirements, and even surface texture. The silica gel can be used for manufacturing moulds in any shapes, and has smooth surface, good forming effect and controllable mould removal. Silica gel belongs to flexible material, tailors the convenience and demolds the mould simple, and life cycle is long, can carry out batch production, can guarantee production quality and production efficiency.
Preferred in any of the above-mentioned schemes is, will transfer to good silica gel in step C and pour at step B shaping die face, the shaping face up, the face of pouring is hugged closely in the bottom surface (can be sticky), typesets the mould according to the size, and keep off the mouth all around in addition, the bottom is the plane, makes level the silica gel surface after pouring silica gel, waits to take off the mould after silica gel solidifies, step B the mould in order to meet the design requirement and rub the impression in batches at the silica gel mould.
In any of the above schemes, preferably, in the step E, the size of the prefabricated plug is consistent with that of the wall screw hole, the edge is smooth, the surface is smooth, the color is controllable, the prefabricated plug can be manually installed by gluing and plugging the prefabricated plug into the prefabricated plug, and the required time is controlled within one minute.
In any of the above schemes, preferably, the precast concrete casting material is a same batch of concrete or a glass cement transparent material, so that the diversity of the plug material is ensured.
Drawings
Fig. 1 is a schematic structural view of a bare concrete screw hole prefabricated plug completed according to the production method of the bare concrete screw hole prefabricated plug.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in figure 1, the invention provides a production method of a bare concrete screw hole prefabricated plug, which comprises the steps of determining a screw hole use material, confirming the size of a screw hole, confirming the plugging depth of the screw hole and drawing a plug model through a deepening design, using 3d as a bottom die, reversely demoulding silica gel, prefabricating and pouring concrete, and installing a prefabricated plug, and finally completing production construction of bare concrete plug plugging.
The invention relates to a production method of a precast plug for a bare concrete screw hole, which comprises the following steps:
step A: determining a concrete specification standard of a screw hole material machine, and confirming the specification of a screw hole through a deepening design before the clear water concrete construction;
and B: manufacturing a prefabricated plug bottom die, determining the plugging size of a screw hole through deepening design, and then manufacturing a die with a specific specification on a model in a 3d printing mode;
and C: manufacturing a silica gel mold, directly performing batch mold overturning, determining a clear water concrete blocking molding surface, directly contacting the molding surface with the silica gel surface, determining a prefabricated opening pouring surface, and placing the pouring surface at the lower part;
step D: c, performing clear water concrete prefabrication pouring, after the operation of the step C is completed, if the color of the screw hole is required to be consistent with that of the surrounding concrete, confirming the using position of the batch of silica gel molds, confirming the number and specification of the screw hole of the area according to the pouring of the clear water concrete in a certain area during each pouring, and performing grouting pouring by using the same batch of clear water concrete mortar during the concrete pouring; if other color and strength requirements exist, slurry mixing treatment can be carried out for pouring, and the form can be removed after the corresponding strength is achieved after maintenance;
step E: and (3) mounting the prefabricated plug, after the bare concrete template and the screw are demoulded and reach certain strength, mounting the prefabricated plug, and coating a layer of structural adhesive around the plug during mounting and then mounting. The prefabricated plug is adopted for installation, manual installation can be facilitated, plugging steps are omitted, construction efficiency is improved, labor cost is saved, and construction time is prolonged.
As shown in fig. 1, a plurality of prefabricated plugs 2 are uniformly distributed on a batch rollover mould 1, and the prefabricated plugs 2 are located on a silica gel pouring part 3.
In this embodiment, a harness screw, a three-joint screw, or a five-joint screw is selected in step a. Different screw rods have different molding effects after the mold is removed, the joint of the harness cord screw rod is in a hollow form, and a section of screw rod is reserved after the mold is removed for the three-joint screw rod. Therefore, the form and the size of the screw hole and the plugging depth of the screw hole are determined according to the construction purpose, and the construction standardization is achieved.
In this embodiment, in the step B, the 3d printing may adopt high-precision photosensitive resin or PLA material to perform model printing, so as to obtain a prefabricated plug bottom die, and may also perform batch printing according to the requirements of batch dies. The 3d printing can be used for printing in multiple types of features and is suitable for screw holes in multiple types.
The prefabricated bottom die is manufactured by adopting 3d printing on the prefabricated plug, and the prefabricated bottom die has the main beneficial effects of controllable shape, suitability for screw holes and plugs with various specifications and types and requirements, and even surface texture. The silica gel can be used for manufacturing moulds in any shapes, and has smooth surface, good forming effect and controllable mould removal. Silica gel belongs to flexible material, tailors the convenience and demolds the mould simple, and life cycle is long, can carry out batch production, can guarantee production quality and production efficiency.
In this embodiment, will transfer to good silica gel in step C and fall in step B shaping die face, the shaping face up, the face of pouring is hugged closely in the bottom surface (can be sticky), according to the size to the mould typeset, all around in addition keep off the mouth, the bottom is the plane, the silica gel surface of making level after pouring silica gel, wait to take off the mould after silica gel solidifies, in step B the mould become to design and require to rub the impression in batches at the silica gel mould.
In this embodiment, prefabricated end cap and wall body screw rod hole size unanimous in the step E, the edge is smooth, and the surfacing is controllable, and the colour is controllable, and prefabricated end cap installation manual work only need rubberize, fill in two steps in the end cap and can accomplish, and its required time control is within one minute.
In this embodiment, the precast concrete casting material is the same batch of concrete or glass cement transparent material, so that the diversity of the plug material is ensured.
Claims (7)
1. A production method of a bare concrete screw hole prefabricated plug is characterized in that: according to the method, materials used for screw holes are determined through deep design, the specification and the size of the screw holes are confirmed, the plugging depth of the screw holes is confirmed, a plug model is plotted, 3d is used as a bottom die, reverse demolding is carried out on silica gel, precast concrete is poured, the precast plugs are installed, and finally production construction of bare concrete plug plugging is completed.
2. The method for producing the bare concrete screw hole prefabricated plug according to claim 1, which comprises the following steps:
step A: determining a concrete specification standard of a screw hole material machine, and confirming the specification of a screw hole through a deepening design before the clear water concrete construction;
and B: manufacturing a prefabricated plug bottom die, determining the plugging size of a screw hole through deepening design, and then manufacturing a die with a specific specification on a model in a 3d printing mode;
and C: manufacturing a silica gel mold, directly performing batch mold overturning, determining a clear water concrete blocking molding surface, directly contacting the molding surface with the silica gel surface, determining a prefabricated opening pouring surface, and placing the pouring surface at the lower part;
step D: c, performing clear water concrete prefabrication pouring, after the operation of the step C is completed, if the color of the screw hole is required to be consistent with that of the surrounding concrete, confirming the using position of the batch of silica gel molds, confirming the number and specification of the screw hole of the area according to the pouring of the clear water concrete in a certain area during each pouring, and performing grouting pouring by using the same batch of clear water concrete mortar during the concrete pouring; if other color and strength requirements exist, slurry mixing treatment can be carried out for pouring, and the form can be removed after the corresponding strength is achieved after maintenance;
step E: and (3) mounting the prefabricated plug, after the bare concrete template and the screw are demoulded and reach certain strength, mounting the prefabricated plug, and coating a layer of structural adhesive around the plug during mounting and then mounting.
3. The method for producing the precast bulkhead of the bare concrete screw hole of claim 2, wherein: a harness cord screw, a three-joint screw or a five-joint screw is selected in the step A.
4. The method for producing the precast bulkhead of the bare concrete screw hole of claim 2, wherein: and in the step B, 3d, model printing can be performed by adopting high-precision photosensitive resin or PLA material to obtain the prefabricated plug bottom die, and batch printing can also be performed according to the requirements of batch dies.
5. The method for producing the precast bulkhead of the bare concrete screw hole of claim 2, wherein: pouring the adjusted silica gel into the molding bottom mold surface in the step B in the step C, enabling the molding surface to face upwards, enabling the pouring surface to be tightly attached to the bottom surface (capable of being glued), composing the mold according to the size, adding a blocking opening on the periphery, enabling the bottom to be a plane, leveling the surface of the silica gel after pouring the silica gel, taking off the mold after the silica gel is solidified, and rubbing the mold in the step B in batches according to the design requirement.
6. The method for producing the precast bulkhead of the bare concrete screw hole of claim 2, wherein: and E, the size of the hole of the prefabricated plug and the size of the hole of the wall screw are consistent, the edge of the prefabricated plug is smooth, the surface of the prefabricated plug is smooth, the color of the prefabricated plug is controllable, the prefabricated plug can be installed manually by only two steps of gluing and plugging the prefabricated plug into the prefabricated plug, and the required time of the prefabricated plug is controlled within one minute.
7. The method for producing the precast bulkhead of the bare concrete screw hole of claim 1, wherein: the concrete precast pouring material is the same batch of concrete or glass cement transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011577114.4A CN113370358A (en) | 2020-12-28 | 2020-12-28 | Production method of bare concrete screw hole prefabricated plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011577114.4A CN113370358A (en) | 2020-12-28 | 2020-12-28 | Production method of bare concrete screw hole prefabricated plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113370358A true CN113370358A (en) | 2021-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011577114.4A Pending CN113370358A (en) | 2020-12-28 | 2020-12-28 | Production method of bare concrete screw hole prefabricated plug |
Country Status (1)
| Country | Link |
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| CN (1) | CN113370358A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107149A (en) * | 2022-07-28 | 2022-09-27 | 四川建筑职业技术学院 | Method for generating plane artificial stone in batches |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB849035A (en) * | 1957-08-27 | 1960-09-21 | Produktionsmetoder Ab | Improved method and device for moulding products of concrete or the like |
| CN201201301Y (en) * | 2008-04-30 | 2009-03-04 | 桑应波 | Chalk forming die |
| CN201874236U (en) * | 2010-10-14 | 2011-06-22 | 河南省第二建设集团有限公司 | Plug for decorative hole in finished concrete |
| CN104234413A (en) * | 2014-09-17 | 2014-12-24 | 深圳市建业建筑工程有限公司 | Production method of wood grain as-cast finish concrete template |
| CN204163396U (en) * | 2014-09-17 | 2015-02-18 | 深圳市建业建筑工程有限公司 | A kind of Shimizu concrete template |
| CN105442842A (en) * | 2015-11-17 | 2016-03-30 | 甘肃第七建设集团股份有限公司 | Construction method for plugging fair-faced concrete split bolt hole |
| CN105764659A (en) * | 2013-12-02 | 2016-07-13 | Vh有限责任公司 | Mould for building coating products and plant for manufacturing the coating products |
| CN210969320U (en) * | 2019-09-09 | 2020-07-10 | 山西一建集团有限公司 | Wall-through bolt hole plugging construction shaping mold |
-
2020
- 2020-12-28 CN CN202011577114.4A patent/CN113370358A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB849035A (en) * | 1957-08-27 | 1960-09-21 | Produktionsmetoder Ab | Improved method and device for moulding products of concrete or the like |
| CN201201301Y (en) * | 2008-04-30 | 2009-03-04 | 桑应波 | Chalk forming die |
| CN201874236U (en) * | 2010-10-14 | 2011-06-22 | 河南省第二建设集团有限公司 | Plug for decorative hole in finished concrete |
| CN105764659A (en) * | 2013-12-02 | 2016-07-13 | Vh有限责任公司 | Mould for building coating products and plant for manufacturing the coating products |
| CN104234413A (en) * | 2014-09-17 | 2014-12-24 | 深圳市建业建筑工程有限公司 | Production method of wood grain as-cast finish concrete template |
| CN204163396U (en) * | 2014-09-17 | 2015-02-18 | 深圳市建业建筑工程有限公司 | A kind of Shimizu concrete template |
| CN105442842A (en) * | 2015-11-17 | 2016-03-30 | 甘肃第七建设集团股份有限公司 | Construction method for plugging fair-faced concrete split bolt hole |
| CN210969320U (en) * | 2019-09-09 | 2020-07-10 | 山西一建集团有限公司 | Wall-through bolt hole plugging construction shaping mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107149A (en) * | 2022-07-28 | 2022-09-27 | 四川建筑职业技术学院 | Method for generating plane artificial stone in batches |
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Application publication date: 20210910 |
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