CN110500858B - Drying device for agricultural production - Google Patents
Drying device for agricultural production Download PDFInfo
- Publication number
- CN110500858B CN110500858B CN201910749635.4A CN201910749635A CN110500858B CN 110500858 B CN110500858 B CN 110500858B CN 201910749635 A CN201910749635 A CN 201910749635A CN 110500858 B CN110500858 B CN 110500858B
- Authority
- CN
- China
- Prior art keywords
- drying
- main body
- disc
- gas cyclone
- supporting
- 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/18—Machines or apparatus for drying solid materials or objects with movement which is non-progressive on or in moving dishes, trays, pans, or other mainly-open receptacles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/08—Humidity
- F26B21/083—Humidity by using sorbent or hygroscopic materials, e.g. chemical substances, molecular sieves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/02—Applications of driving mechanisms, not covered by another subclass
Abstract
The invention discloses a drying device for agricultural production, and relates to the technical field of agricultural production equipment; the drying device comprises a drying main body, wherein a cavity for drying is arranged in the drying main body; the drying device comprises a drying main body, a gas cyclone arranged on the drying main body, and a rotating disc which is arranged in a cavity in the drying main body and is rotatably arranged at the bottom of the gas cyclone, wherein a plurality of shafts A are arranged on the rotating disc in a circumferential array manner, a supporting disc for supporting a placing frame is arranged on the upper part of each shaft A, the supporting disc is connected with the placing frame through an elastic piece, and the placing frame is arranged on the outer side of the gas cyclone; the setting is in a plurality of rack upper ends, and the driving-disc of cover setting in the gas cyclone outside, and driving-disc bottom array is provided with a plurality of archs, and driving-disc bottom both sides and the supporting wheel rolling contact who rotates the setting, and the supporting wheel sets up on stoving main part lateral wall through supporting the pivot. The invention improves the drying effect and is environment-friendly.
Description
Technical Field
The invention relates to the technical field of agricultural production equipment, in particular to a drying device for agricultural production.
Background
Need dry to crops among the agricultural production process, and current drying equipment often adopts hot-air direct simple to blow on the crops of fixed setting, and this kind of setting stoving effect can not guarantee, has the inhomogeneous phenomenon of drying, consequently needs to design a drying device for agricultural production who dries effectually.
Disclosure of Invention
The invention aims to provide a drying device for agricultural production, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a drying device for agricultural production comprises a drying main body, wherein a cavity for drying is formed in the drying main body;
a gas cyclone arranged on the drying main body, the bottom of the gas cyclone is arranged in a cavity inside the drying main body,
wherein, a cavity inside the gas cyclone is provided with a helical blade, the side wall of the gas cyclone arranged inside the drying main body is provided with a gas distributing hole, and the gas cyclone is provided with a gas inlet externally connected with hot air;
a rotary disc which is arranged in the inner cavity of the drying main body and is rotatably arranged at the bottom of the gas cyclone,
the gas cyclone separator comprises a rotating disc, a placing frame, a plurality of supporting disks, elastic pieces and a plurality of supporting disks, wherein the rotating disc is provided with a plurality of shafts A in a circumferential array mode, the upper portions of the shafts A are provided with the supporting disks used for supporting the placing frame, the supporting disks are connected with the placing frame through the elastic pieces, and the placing frame is arranged on the outer side of a gas;
the driving disc is arranged at the upper ends of the plurality of placing frames and sleeved outside the gas cyclones, a plurality of bulges are arranged at the bottom of the driving disc in an array mode, two sides of the bottom of the driving disc are in rolling contact with the rotatably arranged supporting wheels, and the supporting wheels are arranged on the side wall of the drying main body through supporting rotating shafts;
and a dehumidifying component and a heating component which are arranged outside the drying main body.
As a further scheme of the invention: two ends of the shaft A are rotatably arranged on the supporting disc and the rotating disc, a gear A is fixedly arranged on the shaft A, and the gear A is meshed with a gear B fixedly arranged at the bottom of the gas cyclone; the upper end of the placing frame is arranged on the driving disc through a rotating shaft C; and the rotating shaft C is rotatably arranged on the driving disc.
As a still further scheme of the invention: the input of dehumidification subassembly passes through the gas vent intercommunication of pipeline with stoving main part bottom, the output of dehumidification subassembly passes through pipeline and heating element's input intercommunication, heating element's output passes through the air inlet intercommunication on pipeline and the gas cyclone.
As a still further scheme of the invention: and a fan and a heating resistor are arranged in the heating assembly.
As a still further scheme of the invention: the dehumidification subassembly is inside to be provided with the cotton that absorbs water.
As a still further scheme of the invention: the bottom of the rotating disc is fixedly provided with a rotating shaft B which penetrates through the bottom of the drying main body, and a driving mechanism for driving the rotating shaft B to rotate is arranged on the rotating shaft B.
As a still further scheme of the invention: the driving mechanism comprises a gear C which is fixedly sleeved on the rotating shaft B, the gear C is meshed with a gear D, and the gear D is arranged at the output end of the motor; the motor is fixedly arranged on an installation table on the drying main body.
As a still further scheme of the invention: the density of the gas distribution holes on the gas cyclone is gradually increased from top to bottom.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the gas cyclone is arranged to carry out spiral gas distribution on the hot air, so that the contact area of the hot air and crops is increased, and the drying effect is improved; the placing rack is set through revolution and autorotation, so that the effect is further improved; the driving disc, the supporting wheel and the protrusions are arranged to enable the placing rack to reciprocate up and down, so that the drying effect is further improved; the dehumidification component is arranged, so that the hot air can be recycled, and the environment is protected; the invention improves the drying effect and is environment-friendly.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of a drying device for agricultural production.
Fig. 2 is a schematic structural diagram of a driving disc in the drying device for agricultural production.
Fig. 3 is a schematic structural diagram of the drying device for agricultural production in the embodiment 2.
In the figure: the drying machine comprises a drying main body-1, a supporting wheel-2, a bulge-3, a driving disk-4, a placing rack-5, a supporting disk-6, an elastic piece-7, an A gear-8, a rotating disk-9, a B gear-10, an A shaft-11, a B rotating shaft-12, a C gear-13, a D gear-14, a motor-15, an exhaust port-16, a dehumidifying component-17, absorbent cotton-18, a heating component-19, a fan-20, a heating resistor-21, an air inlet-22, a gas cyclone-23, a spiral blade-24 and an air distributing hole-25.
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.
Example 1
Referring to fig. 1 to 2, in embodiment 1 of the present invention, a drying device for agricultural production includes a drying main body 1, wherein a cavity for drying is disposed inside the drying main body 1;
the drying device comprises a gas cyclone 23 arranged on a drying main body 1, wherein the bottom of the gas cyclone 23 is arranged in a cavity inside the drying main body 1, a spiral blade 24 is arranged in the cavity inside the gas cyclone 23, a gas distributing hole 25 is arranged on the side wall of the gas cyclone 23 arranged inside the drying main body 1, and a gas inlet 22 externally connected with hot air is arranged on the gas cyclone 23; hot air enters the gas cyclone 23 through the air inlet 22, the hot air is enabled to rotate spirally due to the existence of the spiral blade 24, the air in spiral motion is discharged through the air distribution hole 25 and enters the drying main body 1 to dry crops in the drying main body 1, and compared with the technology that the hot air is in straight line contact with the crops to be dried rightwards, the hot air in spiral motion is longer in contact time with the crops obviously, the contact area is larger, and the drying effect is improved;
the drying device comprises a drying main body 1, a rotating disc 9, a plurality of A shafts 11, a supporting disc 6 and a placing frame 5, wherein the rotating disc 9 is arranged in a cavity in the drying main body 1 and is rotatably arranged at the bottom of a gas cyclone 23, the A shafts 11 are arranged on the rotating disc 9 in a circumferential array mode, the upper portion of each A shaft 11 is provided with the supporting disc 6 used for supporting the placing frame 5, the supporting disc 6 is connected with the placing frame 5 through an elastic piece 7, and the placing frame 5 is used for; the placing frame 5 is arranged outside the gas cyclone 23;
the driving disc 4 is arranged at the upper ends of the plurality of placing frames 5 and sleeved outside the gas cyclone 23, a plurality of protrusions 3 are arranged at the bottom of the driving disc 4 in an array mode, two sides of the bottom of the driving disc 4 are in rolling contact with the rotatably arranged supporting wheels 2, and the supporting wheels 2 are arranged on the side wall of the drying main body 1 through supporting rotating shafts; by arranging the supporting wheels 2 at the two sides, the supporting wheels 2 are periodically contacted with the protrusions 3 in the rotating process of the driving disc 4, so that the driving disc 4 periodically moves up and down, crops in the placing frame 5 can roll, and the drying effect is improved;
and a dehumidifying assembly 17 and a heating assembly 19 disposed at an outer side of the drying main body 1.
Example 2
Referring to fig. 3, the main difference between the present embodiment 2 and the present embodiment 1 is that two ends of the a shaft 11 are rotatably disposed on the supporting plate 6 and the rotating plate 9, the a shaft 11 is fixedly disposed with an a gear 8, and the a gear 8 is engaged with a B gear 10 fixedly disposed at the bottom of the gas cyclone 23; the upper end of the placing frame 5 is arranged on the driving disc 4 through a rotating shaft C; the rotating shaft C is rotatably arranged on the driving disc 4; the rotating disc 9 drives the A shaft 11 to rotate, and the A gear 8 is meshed with the B gear 10, and the B gear 10 is fixedly arranged, so that the A shaft 11 drives the supporting disc 6 to rotate in the rotating process, the self-transmission of the placing frame 5 is realized, and the drying effect is further improved.
The elastic member 7 is a spring.
The input end of the dehumidifying component 17 is communicated with the exhaust port 16 at the bottom of the drying main body 1 through a pipeline, the output end of the dehumidifying component 17 is communicated with the input end of the heating component 19 through a pipeline, and the output end of the heating component 19 is communicated with the air inlet 22 on the air cyclone 23 through a pipeline; the hot air recycling device realizes recycling of hot air and saves energy.
The dehumidifying component 17 is internally provided with water absorption cotton 18, and the water absorption cotton 18 is arranged to facilitate the absorption of water vapor in the hot air.
The heating component 19 is internally provided with a fan 20 and a heating resistor 21, the fan 20 provides power for hot air flowing, and the heating resistor 21 heats the air.
The bottom of the rotating disc 9 is fixedly provided with a B rotating shaft 12 penetrating through the bottom of the drying main body 1, and the B rotating shaft 12 is provided with a driving mechanism for driving the B rotating shaft to rotate.
The driving mechanism comprises a C gear 13 fixedly sleeved on the B rotating shaft 12, the C gear 13 is meshed with a D gear 14, and the D gear 14 is arranged at the output end of a motor 15; the motor 15 is fixedly arranged on a mounting table on the drying main body 1.
The density of the gas distribution holes 25 on the gas cyclone 23 is gradually increased from top to bottom; this arrangement is convenient for ensuring uniform gas discharge from top to bottom.
The drying main body 1 is also provided with a door for adding or taking out crops.
The working principle of the invention is as follows:
adding crops to be dried into a placing rack 5; the heating component 19 is electrified to work, heats air and provides power for air flow; hot air enters the gas cyclone 23 through the air inlet 22, the air is subjected to spiral air distribution due to the existence of the spiral blades 24, the air which rotates spirally is uniformly sprayed out through the air distribution holes 25 to dry crops in the placing rack 5, meanwhile, the motor 15 is electrified, the rotating disc 9 is driven to rotate through the B rotating shaft 12, the C gear 13 and the D gear 14, the rotating disc 9 drives the A shaft 11 and the placing rack 5 to rotate, and meanwhile, the A gear 8 on the A shaft 11 is meshed with the B gear 10, so that the placing rack 5 automatically transmits along with the supporting disk 6, the contact area of the crops and the hot air is further improved, and the drying effect is improved; the dried hot air enters the dehumidifying component 17 through the air outlet 16 and enters the heating component 19 through the dehumidifying component 17, so that the hot air is recycled, and the environment is protected; the bulges 3 at the bottom of the driving disk 4 are in contact with the supporting wheel 2 in a clearance manner in the rotating process, and the placing rack 5 is driven to reciprocate up and down.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A drying device for agricultural production comprises a drying main body (1), wherein a cavity for drying is formed in the drying main body (1);
it is characterized in that the gas cyclone (23) is arranged on the drying main body (1), the bottom of the gas cyclone (23) is arranged in a cavity inside the drying main body (1),
wherein, a helical blade (24) is arranged in the cavity inside the gas cyclone (23), the side wall of the gas cyclone (23) arranged inside the drying main body (1) is provided with an air distributing hole (25), and the gas cyclone (23) is provided with an air inlet (22) externally connected with hot air;
a rotating disc (9) which is arranged in the inner cavity of the drying main body (1) and is rotatably arranged at the bottom of the gas cyclone (23),
the gas cyclone separator is characterized in that a plurality of shafts A (11) are arranged on the rotating disc (9) in a circumferential array mode, a supporting disc (6) used for supporting the placing frame (5) is arranged on the upper portion of each shaft A (11), the supporting disc (6) is connected with the placing frame (5) through an elastic piece (7), and the placing frame (5) is arranged on the outer side of the gas cyclone separator (23);
the driving disc (4) is arranged at the upper ends of the plurality of placing frames (5) and sleeved outside the gas cyclone (23), a plurality of protrusions (3) are arranged at the bottom of the driving disc (4) in an array mode, two sides of the bottom of the driving disc (4) are in rolling contact with the rotatably arranged supporting wheels (2), and the supporting wheels (2) are arranged on the side wall of the drying main body (1) through supporting rotating shafts;
and a dehumidifying component (17) and a heating component (19) which are arranged outside the drying main body (1).
2. The drying device for agricultural production according to claim 1, wherein two ends of the A shaft (11) are rotatably arranged on the supporting plate (6) and the rotating disc (9), the A shaft (11) is fixedly provided with an A gear (8), and the A gear (8) is meshed with a B gear (10) fixedly arranged at the bottom of the gas cyclone (23); the upper end of the placing frame (5) is arranged on the driving disc (4) through a rotating shaft C; the rotating shaft C is rotatably arranged on the driving disc (4).
3. The drying device for agricultural production according to claim 1, characterized in that the input end of the dehumidifying component (17) is communicated with the exhaust port (16) at the bottom of the drying main body (1) through a pipeline, the output end of the dehumidifying component (17) is communicated with the input end of the heating component (19) through a pipeline, and the output end of the heating component (19) is communicated with the air inlet (22) on the gas cyclone (23) through a pipeline.
4. The drying device for agricultural production according to claim 3, characterized in that a fan (20) and a heating resistor (21) are arranged inside the heating assembly (19).
5. Drying device for agricultural production according to claim 4, characterized in that inside the dehumidifying component (17) there is a water absorbent cotton (18).
6. The drying device for agricultural production according to any one of claims 1 to 5, wherein a rotating shaft B (12) penetrating through the bottom of the drying main body (1) is fixedly arranged at the bottom of the rotating disc (9), and a driving mechanism for driving the rotating shaft B (12) to rotate is arranged on the rotating shaft B.
7. The drying device for agricultural production of claim 6, wherein the driving mechanism comprises a C gear (13) fixedly sleeved on the B rotating shaft (12), the C gear (13) is meshed with a D gear (14), and the D gear (14) is arranged at the output end of the motor (15); the motor (15) is fixedly arranged on a mounting table on the drying main body (1).
8. The drying device for agricultural production according to claim 1, wherein the gas distribution holes (25) on the gas cyclone (23) are gradually increased in density from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749635.4A CN110500858B (en) | 2019-08-14 | 2019-08-14 | Drying device for agricultural production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749635.4A CN110500858B (en) | 2019-08-14 | 2019-08-14 | Drying device for agricultural production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110500858A CN110500858A (en) | 2019-11-26 |
| CN110500858B true CN110500858B (en) | 2020-10-16 |
Family
ID=68587481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910749635.4A Active CN110500858B (en) | 2019-08-14 | 2019-08-14 | Drying device for agricultural production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110500858B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111023763A (en) * | 2019-12-31 | 2020-04-17 | 唐红英 | Even drying device is used to textile product |
| CN111570725A (en) * | 2020-05-21 | 2020-08-25 | 争一阀门科技有限公司 | Lost foam valve body casting equipment and casting process thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205825602U (en) * | 2016-05-05 | 2016-12-21 | 徐州志欧机电设备有限公司 | The tablet dedusting drying unit improved |
| CN106369969A (en) * | 2016-11-09 | 2017-02-01 | 郑州莉迪亚医药科技有限公司 | Stirring ventilating feed drying machine |
| CN206862048U (en) * | 2017-05-24 | 2018-01-09 | 江西省进贤县粮友绿色食品有限公司 | A kind of agricultural byproducts processing drying unit |
| CN208170944U (en) * | 2018-05-10 | 2018-11-30 | 新昌县渲渲工业产品设计有限公司 | A kind of uniform drying unit of the rotation of capsule manufacture |
| CN208588184U (en) * | 2018-05-15 | 2019-03-08 | 金贵重 | A kind of Food Inspection instrument drying unit |
| CN109140968B (en) * | 2018-08-16 | 2020-09-18 | 温州誉诚包装有限公司 | Multilayer rotating disc type dryer |
| CN109237902A (en) * | 2018-10-31 | 2019-01-18 | 江苏华兴电气科技有限公司 | A kind of hot drying equipment of pole plate |
-
2019
- 2019-08-14 CN CN201910749635.4A patent/CN110500858B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110500858A (en) | 2019-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110500858B (en) | Drying device for agricultural production | |
| CN113405182A (en) | Aircraft nose and thermantidote | |
| CN102788390B (en) | Air humidification and air moisture absorption all-in-one machine | |
| CN100374791C (en) | Heat exchanging system of ventilating equipment | |
| CN107490057B (en) | Air treatment device and air conditioner indoor unit and air conditioner outdoor unit with same | |
| CN107514687B (en) | Air treatment module and air conditioner | |
| CN110260632A (en) | Drying device is used in a kind of preparation of flame-resistant plastic-wood composite materials | |
| CN215001974U (en) | Panel self-sealing three-dimensional broken cold bridge rotary dehumidifier structure | |
| CN205940006U (en) | A drying -machine for tailoring | |
| CN205655633U (en) | A drying device for agricultural crop seed | |
| CN212691979U (en) | Air duct mechanism of rotary dehumidifier | |
| CN212777691U (en) | Rotating wheel mechanism of rotating wheel dehumidifier | |
| CN213006469U (en) | Silicone tube conveying device with drying function | |
| CN207113125U (en) | A kind of computer room rack | |
| CN203571920U (en) | Rotary wheel dehumidification system | |
| CN219283857U (en) | Lithium battery drying protection box | |
| CN218269385U (en) | Warm air dehumidifier | |
| CN214501609U (en) | Air treatment device and air conditioner with same | |
| CN211977074U (en) | Parallel double-runner dehumidification system | |
| CN217407416U (en) | Dryer for animals | |
| CN203220844U (en) | Dehumidifier | |
| CN111198122A (en) | Drying cabinet for rubber product detection | |
| CN205679019U (en) | A kind of tray drier | |
| CN217004718U (en) | Novel double-runner dehumidification device | |
| CN211695782U (en) | Drying equipment for preparing coarse cereals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200827 Address after: 051230 Zanhuang Zhen Qu Jiang Cun Nan, Zanhuang County, Shijiazhuang City, Hebei Province Applicant after: Zanhuang Huarun agricultural and sideline products development Co., Ltd Address before: Unit 1102, G2, building 1, Haiyu Xiwan garden, Xingye Road, Xixiang, Bao'an District, Shenzhen City, Guangdong Province Applicant before: Wu Ping |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |