CN213363074U - Hot air circulation oven for toxic decoction piece workshop - Google Patents
Hot air circulation oven for toxic decoction piece workshop Download PDFInfo
- Publication number
- CN213363074U CN213363074U CN202021645776.6U CN202021645776U CN213363074U CN 213363074 U CN213363074 U CN 213363074U CN 202021645776 U CN202021645776 U CN 202021645776U CN 213363074 U CN213363074 U CN 213363074U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- hot air
- air circulation
- wall
- buffer
- 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.)
- Expired - Fee Related
Links
- 231100000331 toxic Toxicity 0.000 title claims abstract description 16
- 230000002588 toxic effect Effects 0.000 title claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 238000000926 separation method Methods 0.000 claims abstract description 24
- 238000004321 preservation Methods 0.000 claims description 23
- 235000008216 herbs Nutrition 0.000 claims description 11
- 231100000419 toxicity Toxicity 0.000 claims description 11
- 230000001988 toxicity Effects 0.000 claims description 11
- 210000001595 mastoid Anatomy 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 3
- 239000011491 glass wool Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 13
- 230000003139 buffering effect Effects 0.000 description 9
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 8
- 238000005192 partition Methods 0.000 description 8
- 239000003814 drug Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 206010006451 bronchitis Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
Images
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model relates to the technical field of traditional Chinese medicinal materials, in particular to a hot air circulation oven for a toxic decoction piece workshop, which comprises a hot air circulation oven, wherein the right end of the inner wall of the hot air circulation oven is fixedly connected with an anti-collision layer shaped like コ, four corners of the inner wall of the anti-collision layer are fixedly connected with a first buffer block, the surfaces of the four first buffer blocks which are close to each other are fixedly connected with a separation frame, the left side, the right side, the upper side and the lower side of the outer wall of the separation frame are fixedly connected with a plurality of buffer steel sheets which are uniformly distributed, the plurality of buffer steel sheets are divided into four groups, one end of each group of buffer steel sheets, which is close to each other, is also fixedly connected with the separation frame, and through the arranged anti-collision layer and the buffer steel sheets, when the heated air circulation oven is impacted by the outside, the possibility that the impact force affects the structure inside the device can be reduced, so that the possibility that the device is damaged after being impacted and cannot be normally used is reduced.
Description
Technical Field
The utility model relates to a chinese-medicinal material technical field specifically is hot air circulating oven is used in toxicity sliced medicinal herbs workshop.
Background
The decoction pieces are prepared from traditional Chinese medicinal materials according to the requirements, and are used for prescription or directly used in traditional Chinese medicine clinical application, and comprise toxic traditional Chinese medicinal decoction pieces. The toxic traditional Chinese medicine decoction pieces are prepared by using toxic traditional Chinese medicine, and are commonly used for cough with excessive phlegm, bronchitis and the like. In order to accelerate the drying process of traditional Chinese medicinal materials in the processing process of traditional toxic traditional Chinese medicine decoction pieces, the traditional Chinese medicinal materials are usually placed in an oven for drying. However, in the current stage, because the moisture that contains in the chinese-medicinal material itself can produce the inside that the juice drips to the oven among the drying process, the staff of being not convenient for washs the oven inside to can influence the oven later stage and dry other chinese-medicinal materials, and current oven is relatively poor in the anti impact resistance in the use, receives external striking after and takes place to damage easily, for this reason, we propose toxicity sliced medicinal herbs workshop and use heated air circulation oven.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a toxicity is heated air circulation oven for sliced medicinal herbs workshop possesses the staff of being convenient for and washs device inside, has reduced the device simultaneously and has received advantages such as the possibility that takes place the damage after external striking, has solved current device inside when using and has not been convenient for wash to the device receives the problem that takes place the damage after external striking easily.
The utility model discloses a hot air circulation oven for toxic decoction piece workshop, including the hot air circulation oven, the right-hand member fixedly connected with of hot air circulation oven inner wall is "コ" font anticollision layer, four bights of anticollision layer inner wall all fixedly connected with buffer block one, four the surface fixedly connected with partition frame that buffer block one is close to each other, the left and right sides and upper and lower both sides of partition frame outer wall all fixedly connected with a plurality of evenly distributed's buffering steel sheet, a plurality of buffering steel sheet divide into four groups, four groups the one end that buffering steel sheet is close to each other also fixedly connected with partition frame, four bights of partition frame inner wall inside the buffering steel sheet all fixedly connected with buffer block two, and the top surface and the bottom surface of this partition frame inner wall all fixedly connected with two fixed blocks, simultaneously the left and right sides of this partition frame inner wall also all fixedly connected with three fixed block, four groups the equal fixedly connected with of one side that the fixed block is close to each other divides the frame, the inside branch of fixed block divides the frame and the inside branch of buffer steel sheet space that is close to one side of each other constitutes the vacuum layer, through crashproof layer and buffer steel sheet that set up, can reduce the possibility that the impact caused the influence to the structure of device inside when heated air circulation oven receives external striking, thereby it damages the unable normal use possibility to reduce the device to receive to take place to damage after the striking, through buffer block and No. two buffer blocks that set up, can protect the bight of device on the basis of anticollision layer and buffer steel sheet, through the vacuum layer that sets up, realize the wall between the structure, thereby reduce thermal scattering and disappearing.
The utility model discloses a heated air circulation oven is used in toxicity sliced medicinal herbs workshop, wherein four arriss outside the inside partition frame of fixed block respectively with four outside arris fixed connection of No. two buffer blocks, the inside fixedly connected with heat preservation of the inside partition frame of fixed block, the bottom surface fixedly connected with heater of heat preservation inner wall can slow down the inside thermal scattering and disappearing of built-in recess through the heat preservation that sets up to reduce the energy that the device need consume when using.
The utility model discloses a hot air circulating oven is used in toxicity sliced medicinal herbs workshop, wherein built-in recess has been seted up to the inside upper end of heat preservation, the board of placing of four evenly distributed of left and right sides fixedly connected with of built-in recess inner wall, and the surperficial fixed connection a plurality of nanometer mastoid process of placing the board, the inner wall of built-in recess comprises a plurality of sunken regular hexagon, and the inner wall through setting up built-in recess comprises a plurality of sunken regular hexagon, can reflect the heat for the heat is gathered, has accelerated the stoving speed of chinese-medicinal material.
The utility model discloses a heated air circulation oven is used in toxicity sliced medicinal herbs workshop, wherein the spout, two have all been seted up to the lower extreme of the heat preservation inner wall left and right sides the inside sliding connection of spout has the collecting plate, the bottom surface of collecting plate and the bottom surface sliding connection of heat preservation inner wall, the also nano-scale mastoid process of a plurality of evenly distributed of fixedly connected with of inner wall of collecting plate, through the collecting plate that sets up, the juice that produces when being convenient for dry the chinese medicinal material is collected, reduces the juice and drips and influences the follow-up normal use of device on falling to the heat preservation, sets up the nano-scale mastoid process on the collecting plate simultaneously, and the staff of being convenient for.
The utility model discloses a hot air circulating oven is used in toxicity sliced medicinal herbs workshop, wherein the vertical air vent that runs through three branch bulkhead, buffering steel sheet, vacuum layer and heat preservation, two are all offered to the position department that hot air circulating oven outer wall top surface and bottom surface right side are close to central authorities the equal fixedly connected with dust screen of one end that the air vent inner wall was kept away from each other.
The utility model discloses a hot air circulating oven is used in toxicity sliced medicinal herbs workshop, wherein the equal fixed connection supporting shoe in both ends about the hot air circulating oven bottom surface the inside left lower extreme fixedly connected with air-blower of hot air circulating oven, the inside left upper end fixedly connected with controller of hot air circulating oven.
The utility model discloses a heated air circulation oven is used in toxicity sliced medicinal herbs workshop, wherein the controller is electric connection with heater and air-blower, buffer block, No. two buffer blocks, anticollision layer and supporting shoe are made by high temperature resistant rubber.
The utility model discloses a heated air circulation oven is used in toxicity sliced medicinal herbs workshop, wherein the heat preservation is made by the glass cotton, makes by high temperature resistant rubber through setting up buffer block, No. two buffer blocks, anticollision layer and supporting shoe, reduces the possibility that buffer block, No. two buffer blocks, anticollision layer and supporting shoe lose normal effect because the device internal temperature is too high.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses an anticollision layer and the buffer steel sheet that set up, can reduce the impact and lead to the fact the possibility of influence to the structure of device inside when heated air circulation oven receives external striking, thereby reduce the device and receive the possibility that takes place to damage unable normal use after the striking, through buffer block and No. two buffer blocks that set up, can protect the bight of device on the basis of anticollision layer and buffer steel sheet, through the vacuum layer that sets up, realize the wall between the structure, thereby reduce thermal scattering and disappearing.
2. The utility model discloses a collecting plate that sets up, the juice that produces when being convenient for dry to the chinese-medicinal material is collected, reduces the juice and drips and influence the follow-up normal use of device on the heat preservation, sets up the nanometer mastoid process on collecting plate simultaneously, and the staff of being convenient for washs collecting plate, and the inner wall through setting up built-in recess comprises a plurality of sunken regular hexagon, can reflect the heat for the heat is gathered, has accelerated the stoving speed of chinese-medicinal material.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic front sectional view of the present invention;
fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.
In the figure: 1. a first buffer block; 2. a blower; 3. a hot air circulation oven; 4. a vacuum layer; 5. a separation frame; 6. a second buffer block; 7. a vent hole; 8. a fixed block; 9. buffering steel sheets; 10. an anti-collision layer; 11. a support block; 12. a groove is arranged inside; 13. a controller; 14. a heater; 15. a heat-insulating layer; 16. a collection plate; 17. a chute.
Detailed Description
The following description discloses several embodiments of the present invention with reference to the drawings:
example 1: referring to fig. 1-2, the hot air circulation oven for toxic decoction piece workshop of the present invention comprises a hot air circulation oven 3, wherein the right end of the inner wall of the hot air circulation oven 3 is fixedly connected with an anti-collision layer 10 in the shape of コ, four corners of the inner wall of the anti-collision layer 10 are all fixedly connected with a first buffer block 1, the surfaces of the four first buffer blocks 1 adjacent to each other are fixedly connected with a separation frame 5, the left and right sides and the upper and lower sides of the outer wall of the separation frame 5 are all fixedly connected with a plurality of buffer steel sheets 9 which are uniformly distributed, the plurality of buffer steel sheets 9 are divided into four groups, one end of each group of buffer steel sheets 9 adjacent to each other is also fixedly connected with a separation frame 5, four corners of the inner wall of the separation frame 5 inside the buffer steel sheets 9 are all fixedly connected with a second buffer block 6, and the top surface and the bottom surface of the inner wall of the separation frame 5 are all, also equal fixedly connected with in one side that four groups of fixed blocks 8 are close to each other separates frame 5, the inside separation frame 5 of fixed block 8 and the inside separation frame 5 of buffering steel sheet 9 are close to the space of one side and constitute vacuum layer 4 mutually, through crashproof layer 10 and the buffering steel sheet 9 that set up, can reduce the possibility that the impact caused the influence to the structure of device inside when heated air circulation oven 3 receives external striking, thereby it damages the unable normal use's of emergence after the striking possibility to reduce the device, through buffer 1 and No. two buffer 6 that set up, can protect the bight of device on the basis of anticollision layer 10 and buffering steel sheet 9, vacuum layer 4 through the setting, realize the wall between the structure, thereby reduce thermal scattering and disappearing.
The difference between example 2 and example 1 is: four arriss outside 5 inside separating frame of fixed block 8 respectively with four outside arriss fixed connection of buffer block 6, the inside fixedly connected with heat preservation 15 of the inside separating frame 5 of fixed block 8, the bottom surface fixedly connected with heater 14 of heat preservation 15 inner wall through the heat preservation 15 that sets up, can slow down the inside thermal scattering and disappearing of built-in recess 12 to reduce the energy that the device need consume when using.
The difference between example 3 and example 2 is: the upper end of the inner part of the heat preservation layer 15 is provided with a built-in groove 12, the left side and the right side of the inner wall of the built-in groove 12 are fixedly connected with four uniformly distributed placing plates, the surface of each placing plate is fixedly connected with a plurality of nano-scale mastoids, the inner wall of the built-in groove 12 is composed of a plurality of sunken regular hexagons, the lower ends of the left side and the right side of the inner wall of the heat preservation layer 15 are respectively provided with a sliding chute 17, the inner parts of the two sliding chutes 17 are slidably connected with a collecting plate 16, the bottom surface of the collecting plate 16 is slidably connected with the bottom surface of the inner wall of the heat preservation layer 15, the inner wall of the collecting plate 16 is also fixedly connected with a plurality of uniformly distributed nano-scale mastoids, the inner wall provided with the built-in groove 12 is composed of a plurality of sunken regular hexagons, reduce juice and drip and influence the follow-up normal use of device on the heat preservation 15, set up the nanometer mastoid on collecting plate 16 simultaneously, the staff of being convenient for washs collecting plate 16.
The difference between example 4 and example 3 is: the positions of the top surface of the outer wall of the hot air circulation oven 3 and the right side of the bottom surface close to the center are respectively provided with an air vent 7 which vertically penetrates through three separation frames 5, a buffer steel sheet 9, a vacuum layer 4 and a heat preservation layer 15, the mutually far ends of the inner walls of the two air vents 7 are respectively and fixedly connected with a dust screen, the left and right ends of the bottom surface of the hot air circulation oven 3 are respectively and fixedly connected with a supporting block 11 and a blower 2 at the left lower end inside the hot air circulation oven 3, the left upper end inside the hot air circulation oven 3 is fixedly connected with a controller 13, the controller 13 is electrically connected with a heater 14 and the blower 2, the first buffer block 1, the second buffer block 6, the anti-collision layer 10 and the supporting block 11 are all made of high-temperature resistant rubber, the heat preservation layer 15 is made of glass wool, and the, the possibility that the first buffer block 1, the second buffer block 6, the anti-collision layer 10 and the supporting block 11 lose normal effects due to overhigh temperature in the device is reduced.
When using the utility model discloses the time: traditional Chinese medicinal materials to be dried are placed on a placing plate of a built-in groove 12, then a heater 14 and an air blower 2 are started through a controller 13, the air blower 2 drives air to flow to generate air flow, the heater 14 heats the air, then the air circulates in a hot air circulation oven 3 under the action of the air blower 2, the purpose of processing the traditional Chinese medicinal materials into decoction pieces is achieved, in the process, a vacuum layer 4 and a heat preservation layer 15 can preserve heat in the built-in groove 12, the loss of temperature is slowed down, the energy consumption is reduced, meanwhile, a buffer steel sheet 9 and an anti-collision layer 10 which are arranged can buffer the impact of the outside, the possibility that the device is damaged due to the external impact is reduced, meanwhile, a first buffer block 1 and a second buffer block 6 can protect the corners of the device, and the possibility that the device is damaged when the corners of the device are impacted is reduced, the device is further protected; in the traditional Chinese medicine drying process, the juice that the traditional Chinese medicine produced can fall on placing board and collecting plate 16, and the nano-scale mastoid process on placing board and collecting plate 16 can avoid the too much being stained with of juice to glue on the surface of placing board and collecting plate 16 to be convenient for wash placing board and collecting plate 16.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. Hot air circulating oven is used in toxicity sliced medicinal herbs workshop, including hot air circulating oven (3), its characterized in that: the right end of the inner wall of the hot air circulation oven (3) is fixedly connected with an コ -shaped anti-collision layer (10), four corners of the inner wall of the anti-collision layer (10) are fixedly connected with a first buffer block (1), the surfaces of the four first buffer blocks (1) close to each other are fixedly connected with a separation frame (5), the left side, the right side, the upper side and the lower side of the outer wall of the separation frame (5) are fixedly connected with a plurality of buffer steel sheets (9) which are uniformly distributed, the plurality of buffer steel sheets (9) are divided into four groups, one ends of the four groups of buffer steel sheets (9) close to each other are also fixedly connected with the separation frame (5), the four corners of the inner wall of the separation frame (5) inside the buffer steel sheets (9) are fixedly connected with a second buffer block (6), and the top surface and the bottom surface of the inner wall of the separation, meanwhile, the left side and the right side of the inner wall of the separation frame (5) are fixedly connected with three fixing blocks (8), one side, close to each other, of each of the four groups of fixing blocks (8) is also fixedly connected with the separation frame (5), and the space, close to one side, of each of the separation frame (5) inside each of the fixing blocks (8) and the separation frame (5) inside each of the buffer steel sheets (9), forms a vacuum layer (4).
2. The hot air circulation oven for the toxic decoction piece workshop as claimed in claim 1, wherein: four edges outside the separation frame (5) inside the fixed block (8) are fixedly connected with four edges outside the second buffer block (6) respectively, a heat insulation layer (15) is fixedly connected inside the separation frame (5) inside the fixed block (8), and a heater (14) is fixedly connected to the bottom surface of the inner wall of the heat insulation layer (15).
3. The hot air circulation oven for the toxic decoction piece workshop as claimed in claim 2, wherein: the heat-insulating layer is characterized in that a built-in groove (12) is formed in the upper end of the inner portion of the heat-insulating layer (15), the left side and the right side of the inner wall of the built-in groove (12) are fixedly connected with four uniformly distributed placing plates, the surfaces of the placing plates are fixedly connected with a plurality of nano-scale mastoids, and the inner wall of the built-in groove (12) is formed by a plurality of recessed regular hexagons.
4. The hot air circulation oven for the toxic decoction piece workshop as claimed in claim 3, wherein: spout (17), two have all been seted up to the lower extreme of heat preservation (15) inner wall left and right sides the inside sliding connection of spout (17) has collecting plate (16), the bottom surface of collecting plate (16) and the bottom surface sliding connection of heat preservation (15) inner wall, the inner wall of collecting plate (16) also fixedly connected with a plurality of evenly distributed's nanometer mastoid process.
5. The hot air circulation oven for the toxic decoction piece workshop as claimed in claim 4, wherein: the hot air circulation oven is characterized in that the positions, close to the center, of the top surface and the right side of the bottom surface of the outer wall of the hot air circulation oven (3) are respectively provided with a vent hole (7) which vertically penetrates through the three separation frames (5), the buffer steel sheet (9), the vacuum layer (4) and the heat preservation layer (15), and the inner walls of the vent holes (7) are fixedly connected with a dust screen at one end which is far away from each other.
6. The hot air circulation oven for the toxic decoction piece workshop as claimed in claim 5, wherein: the hot air circulation drying oven is characterized in that the left end and the right end of the bottom surface of the hot air circulation drying oven (3) are fixedly connected with supporting blocks (11), the lower end of the left side in the hot air circulation drying oven (3) is fixedly connected with an air blower (2), and the upper end of the left side in the hot air circulation drying oven (3) is fixedly connected with a controller (13).
7. The hot air circulation oven for the toxic decoction piece workshop as claimed in claim 6, wherein: the controller (13) is electrically connected with the heater (14) and the blower (2), and the first buffer block (1), the second buffer block (6), the anti-collision layer (10) and the supporting block (11) are all made of high-temperature-resistant rubber.
8. The hot air circulation oven for the toxic decoction piece workshop as claimed in claim 7, wherein: the heat-insulating layer (15) is made of glass wool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021645776.6U CN213363074U (en) | 2020-08-10 | 2020-08-10 | Hot air circulation oven for toxic decoction piece workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021645776.6U CN213363074U (en) | 2020-08-10 | 2020-08-10 | Hot air circulation oven for toxic decoction piece workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213363074U true CN213363074U (en) | 2021-06-04 |
Family
ID=76143853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021645776.6U Expired - Fee Related CN213363074U (en) | 2020-08-10 | 2020-08-10 | Hot air circulation oven for toxic decoction piece workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213363074U (en) |
-
2020
- 2020-08-10 CN CN202021645776.6U patent/CN213363074U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204830699U (en) | Wet device is taken out to carton | |
| CN105832003A (en) | Storage device for containing Chinese herbal medicines | |
| CN213363074U (en) | Hot air circulation oven for toxic decoction piece workshop | |
| CN206165693U (en) | Tealeaves room of withering | |
| CN206096312U (en) | Integrated form aging test system | |
| CN205161754U (en) | Cool stand device of tealeaves | |
| CN217559984U (en) | Heat preservation mechanism for air conditioning equipment cabinet | |
| CN106903984B (en) | Tanning device is used in a kind of printing | |
| CN212778529U (en) | Hot air drying equipment | |
| CN210328245U (en) | Explosion-proof concatenation screen complete machine | |
| CN209827630U (en) | Universal oven for culture dish and test tube | |
| CN204642672U (en) | The material process shelving unit of building engineering | |
| CN208884268U (en) | A kind of bilayer drying equipment | |
| CN202138059U (en) | Baking frame | |
| CN207115878U (en) | A kind of Internet of Things outdoor advertisement machine | |
| CN206628209U (en) | A kind of wisdom museum secure sample protective treatment device | |
| CN207594171U (en) | A kind of novel foam plate stoving rack | |
| CN216668147U (en) | Oven with double-deck thermal-insulated structure | |
| CN206651555U (en) | A kind of moistureproof document shelf of hospital archives management | |
| CN206264587U (en) | A kind of device of acceleration printing paper removal moisture drying | |
| CN210602549U (en) | Chrysanthemum quick drying device | |
| CN216204777U (en) | Drying device is used in smart selenium production | |
| CN210321146U (en) | Smart card mounting curing equipment | |
| CN204021895U (en) | Medicinal strip Shockproof damping device | |
| CN212409315U (en) | Drying device is used in candy production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210604 |