CN217011765U - Experimental seeding seedling bed of many varieties of rice divides device - Google Patents

Experimental seeding seedling bed of many varieties of rice divides device Download PDF

Info

Publication number
CN217011765U
CN217011765U CN202220848544.3U CN202220848544U CN217011765U CN 217011765 U CN217011765 U CN 217011765U CN 202220848544 U CN202220848544 U CN 202220848544U CN 217011765 U CN217011765 U CN 217011765U
Authority
CN
China
Prior art keywords
dividing
seedling bed
rice
bed according
cross rod
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
Application number
CN202220848544.3U
Other languages
Chinese (zh)
Inventor
涂建
李小林
谷安宇
张建华
安华
徐雨然
奎丽梅
邓伟
吕莹
陈忆昆
李社萍
胡渊
王睿
张建平
王禹淞
胡彬冉
陈诚
白宇航
张遥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dali Canger Liuxiang Agricultural Development Co ltd
Yunnan Linpeng Agricultural Science And Technology Co ltd
Food Crops Research Institute yunnan Academy Of Agricultural Sciences
Original Assignee
Dali Canger Liuxiang Agricultural Development Co ltd
Yunnan Linpeng Agricultural Science And Technology Co ltd
Food Crops Research Institute yunnan Academy Of Agricultural Sciences
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dali Canger Liuxiang Agricultural Development Co ltd, Yunnan Linpeng Agricultural Science And Technology Co ltd, Food Crops Research Institute yunnan Academy Of Agricultural Sciences filed Critical Dali Canger Liuxiang Agricultural Development Co ltd
Priority to CN202220848544.3U priority Critical patent/CN217011765U/en
Application granted granted Critical
Publication of CN217011765U publication Critical patent/CN217011765U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Sowing (AREA)

Abstract

The utility model relates to a device for dividing a rice seedling bed for multi-variety test sowing of rice, which comprises a cross rod, wherein the cross rod is provided with a plurality of dividing plates, the dividing plates are arranged at the same interval distance, and the dividing plates are provided with a scribing ring piece. The adoption sets up the same division board in interval on the horizontal pole, install the marking off ring piece on the division board and realize dividing the planning to the seedling bed in advance, avoid influencing because of the human factor, the too big problem of interval difference around when causing the seeding, simultaneously through increasing measurement gyro wheel and counting equipment, can obtain the line row after adopting the experimental seedling bed of seeding to divide the device and divide, the area, divide information such as number of times, combine the soil moisture number can calculate the breeding material quantity of required seeding comparatively accurately, there is the foreknowledge to total seeding area and breeding material quantity.

Description

Experimental seeding seedling bed of many varieties of rice divides device
Technical Field
The utility model relates to the technical field of rice breeding equipment, in particular to a rice multi-variety test sowing seedling bed dividing device.
Background
In the process of planting rice, after seedling cultivation is carried out in a rice seedling bed, rice seedlings are transplanted into a rice field from the rice seedling bed, the rice seedling cultivation is commonly called ' transplanting ', thousands of seeds are required to be sown on a moisture surface when the rice seedling cultivation is carried out, each seed is about 10 seeds, one seed is sown at intervals with more than one seed is operated by personal experience, when the experience is insufficient, the area for starting sowing is too narrow, the sowing is not beneficial to the sowing, the seedling pulling in the later period is not beneficial, the materials are easy to be confused, meanwhile, the total sowing area is difficult to grasp because the sowing fraction is too much, the condition of surplus rice seedling bed or excessive seeds often occurs, unnecessary waste is caused, the sowing area and the number of parts do not have statistics, the problem also occurs in the process of ' transplanting ' rice seedlings ', in the ' a tool for transplanting rice seedlings and fixing plants in subareas ' of Chinese utility model patent, publication No. CN210580000U, the device comprises a rake handle, a rake rack and rake teeth, wherein the rake teeth comprise a plurality of fixed row rake teeth and a plurality of fixed plant rake teeth, the fixed row rake teeth and the fixed plant rake teeth are respectively arranged on two sides of the rake rack, the rake handle is connected with the rake rack in a foldable manner, the rake rack is provided with a plurality of first connecting components, the fixed row rake teeth and the fixed plant rake teeth are both axially and rotatably arranged on the first connecting components along the rake rack, and the rake teeth are also connected with the first connecting components through locking components, so that the device is simple to operate and convenient to use, can divide row spacing and plant spacing of a test field, is accurate in division and is in place at one time, and can reserve a sidewalk to divide the test field; the rice field dividing device can be folded after being used to reduce the occupied area, is convenient to store and saves space, and discloses a technical scheme for dividing a rice field for 'rice transplanting', but most rice fields are dry land fields with the width of 1-1.2 meters, and the structure is not suitable for the rice fields, so that the problem to be solved in rice breeding is how to sow and divide the rice fields.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides a rice multi-variety test seeding seedling bed dividing device.
The specific technical scheme is that the device for dividing the rice multi-variety test sowing seedling bed comprises a cross rod, wherein a plurality of dividing plates are arranged on the cross rod, the dividing plates are the same in interval distance, and a scribing ring sheet is arranged on each dividing plate.
Further, preferably, still include the connecting rod, keep away from dividing board one side at the horizontal pole and be provided with the connecting rod, the handle is installed to the connecting rod other end. The connecting rod is a hollow aluminum alloy pipe.
Further, preferably, a connecting sleeve with an internal thread hole is arranged on the cross rod, and the connecting rod is in threaded connection with the connecting sleeve.
Further, preferably, the cross bar comprises an arc-shaped body, a convex beam is arranged at the front end of the arc-shaped body, and the dividing plate is connected with the convex beam.
Further, preferably, the division plate is provided with an installation ring groove, and the division ring sheet is inserted in the installation ring groove.
Further, preferably, the scribing ring piece is provided with an arc-shaped notch.
Further, preferably, still include the measurement gyro wheel, still install the measurement gyro wheel on the horizontal pole near dividing one side of board.
Further, preferably, a counting wrench is rotatably mounted in the handle, and the counting wrench can press a button of the push-button counter.
Further, it is preferred that a fixing plate is installed on the dividing plate, a sensor is arranged on the lower side surface of the fixing plate, a pressure sensing piece is correspondingly arranged below the fixing plate and is hinged to the dividing plate through a hinge screw, a return spring II is arranged between the pressure sensing piece and the fixing plate, and a sensor pressing block capable of contacting with the pressing sensor is further installed on one side, facing the fixing plate, of the pressure sensing piece.
Further, it is preferable that a display installed at the connection rod for displaying information is further included.
Further, it is preferable that the dividing plates are vertically arranged side by side in a number of 11 or 21 or 31. The dividing plates are vertically arranged side by side and can be 10 rows (11 blocks at 10 intervals), 20 rows (21 blocks at 20 intervals) and 30 rows (31 blocks at 30 intervals).
The beneficial effects of the utility model are: the adoption sets up the same division board in interval on the horizontal pole, install the marking off ring piece on the division board and realize dividing the planning to the seedling bed in advance, avoid influencing because of the human factor, the too big problem of interval difference around when causing the seeding, simultaneously through increasing measurement gyro wheel and counting equipment, can obtain the line row after adopting the experimental seedling bed of seeding to divide the device and divide, the area, divide information such as number of times, combine the soil moisture number can calculate the breeding material quantity of required seeding comparatively accurately, there is the foreknowledge to total seeding area and breeding material quantity.
Drawings
FIG. 1 is a front view of a first embodiment of a rice multi-variety trial seeding seedling bed dividing apparatus according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a partial view showing the installation of a dividing plate and a ring line ring piece of the rice multi-variety test sowing seedling bed dividing device of the present invention, wherein the dividing plate is partially cut away;
FIG. 4 is a top view of a dividing plate of the rice multi-variety test sowing seedling bed dividing device of the present invention;
FIG. 5 is a front view of a rice multi-variety trial seeding seedling bed dividing apparatus according to a second embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line B-B of FIG. 5, with the handle partially broken away to show components such as a counter wrench therein;
FIG. 7 is a front view of a third embodiment of the rice multi-variety trial seeding bed dividing apparatus of the present invention;
FIG. 8 is a cross-sectional view taken along line C-C of FIG. 7;
fig. 9 is a partially enlarged view of fig. 8 at D.
In the upper drawing: 1-cross rod, 101-side baffle, 102-arc body, 103-convex beam, 104-connecting sleeve, 2-dividing plate, 201-mounting ring groove, 3-dividing ring piece, 301-notch, 4-metering roller, 5-connecting rod, 6-handle, 7-display, 801-counting wrench, 802-button counter, 803-return spring I, 901-pressure sensing piece, 902-hinge screw, 903-return spring II, 904-fixing plate, 905-inductor pressing block and 906-inductor.
Detailed Description
In order to make the technical problems and technical solutions of the present invention more clearly understood, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "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 used merely for convenience in describing the present invention, and do not indicate or imply that the device or element so 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.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1 and 2, a device for dividing a rice seedling bed for multi-variety test sowing of rice comprises a cross rod 1, wherein the cross rod 1 comprises an arc-shaped body 102 on the upper side, a convex beam 103 is arranged at the front end of the arc-shaped body 102, and as shown in fig. 2 and 3, namely, the cross rod 1 adopts an arc-shaped structure with upper and lower end faces (refer to fig. 3), so that the whole weight of the cross rod 1 is reduced, further, the problem that the lower end is subjected to sharp reduction to interfere with the seedling bed surface easily and to influence the land marking is solved, side baffles 101 are installed at the left end and the right end of the cross rod 1 by screws, and the side baffles 101 have the function of protecting the two end heads of the cross rod 1.
The front side of the cross rod 1 is vertically provided with a plurality of dividing plates 2 side by side, the dividing plates 2 are connected with the convex beam 103, the interval distances between the dividing plates 2 are the same, namely, the dividing plates 2 with the same interval in pairs are arranged on the cross rod 1, so that the design of 8-line scribing (8 interval), 10-line scribing (10 interval), 20-line scribing (20 interval) and 30-line scribing (30 interval) is met, and various specifications are realized; certainly, the cross rod 1 and the dividing plate 2 can be integrally arranged, or a detachable structure can be adopted, that is, if an installation table top is arranged on the cross rod 1, the dividing plate 2 adopts a clamp-shaped opening, and is fixed by bolts and nuts after being butted, or an installation square opening is left on the cross rod 1, after the dividing plate 2 is inserted into the installation square opening, the dividing plate is fixedly connected by inserting rivets through rivet holes on the installation square opening, please refer to fig. 3; whether a unitary or removable structure is used, it is within the technical principles of the present invention.
As shown in fig. 1 to 4, a scribing ring piece 3 is mounted on a dividing plate 2, a mounting ring groove 201 is formed in the dividing plate 2, the scribing ring piece 3 is inserted into the mounting ring groove 201, and is fastened by a nut after passing through one side of the dividing plate 2, the scribing ring piece 3 and the other side of the dividing plate 2 in sequence by screws, so that a detachable structure of the scribing ring piece 3 is realized, the scribing ring piece 3 can be rapidly and independently replaced after being worn, a cross rod 1 and the dividing plate 2 are made of light aluminum alloy materials, and the scribing ring piece 3 is made of ABS engineering plastics or hard nylon materials, thereby ensuring light weight and considering hardness and economic cost; arc-shaped notches 301 are formed in two long sides of the scribing ring piece 3, and the design of the arc-shaped notches 301 is beneficial to turning and scribing the soil moisture surface of the rice seedling bed, so that deeper and more obvious scratches can be left.
The connecting rod 5 is arranged on one side, far away from the dividing plate 2, of the cross rod 1, namely the connecting sleeve 104 with the internal thread hole is arranged at the rear end of the arc-shaped body 102, the connecting rod 5 is provided with corresponding external threads, the connecting rod 5 is in threaded connection with the connecting sleeve 104, and the connecting rod 5 can also be made of light aluminum alloy materials.
The other end of the connecting rod 5 is provided with a handle 6, the handle 6 is in a pistol grip shape and is provided with anti-skid stripes, which are common knowledge and are not repeated.
Example two:
as shown in fig. 5 and fig. 6, the difference between this embodiment and the first embodiment is that a measuring roller 4 is additionally provided, and a measuring roller 4 with a distance measuring function is further installed on the side of the cross bar 1 close to the dividing plate 2, which is the prior art, such as a hand-push roller distance meter, a hand-push roller distance meter monitoring device and a distance measuring system of the chinese patent application publication No. CN 113295121A; as another example, the present invention relates to a distance measuring roller disclosed in chinese utility model patent publication No. CN202630867U, etc., which is a roller distance measuring instrument counter such as DEKODK9719 for measuring the distance between the ground and the ground, and can be directly used, and the tire preferred for the measuring roller 4 is made of rubber, so that no trace is left when rolling, and the trace of dividing line is affected; because of the rolling motion mode of the metering roller 4, deep marks can not be left on the soil moisture surface of the basically dried seedling bed, and the division is not influenced.
It should be noted that the diameter of the metering roller 4 should not be too large, the distance of the bracket cannot be set too long, and the turning and marking of the marking ring 3 cannot be influenced, that is, when the dividing plate 2 and the marking ring 3 are inclined to turn, plough and mark when the dividing device for the multi-variety experimental seeding seedling field of rice is used, the lower surface of the metering roller 4 should be higher than the arc-shaped notch 301, and the specific size needs to be specifically adjusted according to the sizes of the dividing plate 2, the marking ring 3, the arc-shaped notch 301 and the like, and is a conventional choice of the technology in the field; it is of course preferable to realize the adjustable design of the distance from the metering roller 4 to the cross bar 1, that is, to realize the flexible adjustment of the distance from the metering roller 4 to the cross bar 1 by using a wheel seat capable of adjusting the distance, which is the point that the inventor is improving the technology further, and of course, the technology is the prior art, and it does not affect the implementation of the technology of the present invention.
Certainly also include and install the display 7 used for revealing information in the tie rod 5, the display 7 mainly includes the display screen, counts the panel, battery compartment, etc., the display 7 is connected with measuring gyro wheel 4, show the distance counted out, adopt the battery to supply power, of course, further can design different specification modes according to the quantity of the dividing board 2, while measuring the distance, through choosing the corresponding mode, can have through the line number and distance measured each time and calculate the total area divided in the seeding experiment, and display on the display 7, can also pass and count the button on the display 7 at the same time, count the number of times divided, certainly in this embodiment through installing count spanner 801 rotatably in the hand grip 6, count spanner 801 can top press the button of the button counter 802, hold count spanner with effort each time the seeding field experiment divides, the counting wrench 801 rotates and presses the button counter 802, the button counter 802 and the display 7, and transmits a counting signal to the display 7, so that the counted number of times is displayed on the display 7, and further, information such as the number of lines, the area (the total area can be calculated when the length of the cross bar 1 is a fixed value), the dividing number of times and the like can be counted.
A return spring I803 is further arranged in the handle 6, one end of the return spring I803 is connected with the inner wall of the handle 5, the other end of the return spring I803 is connected with the counting wrench 801, when the counting wrench 801 is loosened by hand, the return spring I803 can enable the counting wrench 801 to return, and the counting wrench 801 is not pressing the button type counter 802.
Example three:
as shown in fig. 7 to 9, the second embodiment of the present invention is different in that it does not adopt a manual counting design, and an automatic counting structure is provided, that is, a fixing plate 904 is installed on the dividing plate 2, a mounting groove is opened on the lower side surface of the fixing plate 904, the mounting groove is provided with a sensor 906, a plurality of sets of springs are provided on the base of the back surface of the sensor 906, a pressure sensing piece 901 is correspondingly provided below the fixing plate 904, the pressure sensing piece 901 is hinged with the dividing plate 2 through a hinge screw 902, a return spring ii 903 is provided between the pressure sensing piece 901 and the fixing plate 904, a sensor pressing block 905 capable of contacting with the lower pressing sensor 906 is further installed on the side of the pressure sensing piece 901 facing the fixing plate 904, which principle is similar to that a button of a button-type counter 802 is separately provided, when the dividing device inclines to divide the seedling field surface, the pressure sensing piece 901 is pushed by the front soil to rotationally contact with the lower pressing sensor 906, the sensor 906 is connected with an electronic counter through a line, so that one-time division frequency statistics is realized, a plurality of sets of devices such as the fixing plate 904 and the sensor 906 can be arranged, only when two sets of devices are triggered simultaneously, one-time division statistics is carried out, and invalid statistics caused by mistaken collision is prevented, for example, in fig. 7, 3 sets of devices are arranged in the embodiment, and certainly, the sensor 906 and the electronic counter are the prior art, and the automatic counting technical principle is already used in the field.
When the device is used, soil of a seedling bed is spread and finely divided, the moisture surface is arranged, the moisture is opened according to the width of 1-1.2 m generally, after water on the moisture surface is basically dried and the moisture surface is exposed, the seedling bed is divided into a plurality of small lattices by adopting the seedling bed sowing test dividing device perpendicular to the moisture surface, one part of breeding material is sowed in each lattice, planning and dividing of the moisture surface is realized by the dividing plates 2 fixed at intervals, the division and planning of the seedling bed are carried out in advance, the influence of human factors is avoided, meanwhile, by adding the metering rollers 4 and the counting devices, information such as line number, area, dividing times and the like can be obtained after the division is carried out by adopting the seedling bed sowing test dividing device, and the quantity of the breeding materials required to be sowed can be calculated relatively accurately according to the moisture number.
The present invention has been described in detail with reference to the specific and preferred embodiments, but it should be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and any modifications, equivalents and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a experimental seeding seedling bed of many varieties of rice divides device which characterized in that: the novel scribing block comprises a cross rod (1), wherein a plurality of dividing plates (2) are arranged on the cross rod (1), the spacing distances between the dividing plates (2) are the same, and scribing ring pieces (3) are installed on the dividing plates (2).
2. The device for dividing the rice multi-variety test sowing seedling bed according to claim 1, characterized in that: still include connecting rod (5), keep away from division board (2) one side at horizontal pole (1) and be provided with connecting rod (5), handle (6) are installed to the connecting rod (5) other end.
3. The device for dividing the rice multi-variety test sowing seedling bed according to claim 2, characterized in that: the cross rod (1) is provided with a connecting sleeve (104) with an internal threaded hole, and the connecting rod (5) is in threaded connection with the connecting sleeve (104).
4. The device for dividing the rice multi-variety test sowing seedling bed according to claim 1, characterized in that: the cross rod (1) comprises an arc-shaped body (102), a convex beam (103) is arranged at the front end of the arc-shaped body (102), and the dividing plate (2) is connected with the convex beam (103).
5. The device for dividing the rice multi-variety test sowing seedling bed according to claim 1, characterized in that: the scribing plate (2) is provided with an installation ring groove (201), and the scribing ring piece (3) is inserted in the installation ring groove (201).
6. The device for dividing a rice multi-variety test sowing seedling bed according to any one of claims 1 to 5, wherein: the scribing ring piece (3) is provided with an arc-shaped notch (301).
7. The device for dividing the rice multi-variety test sowing seedling bed according to claim 2, characterized in that: the measuring device is characterized by further comprising a measuring roller (4), wherein the measuring roller (4) is further installed on one side, close to the dividing plate (2), of the cross rod (1).
8. The device for dividing the rice multi-variety test sowing seedling bed according to claim 7, wherein: a counting wrench (801) is rotatably mounted in the handle (6), and the counting wrench (801) can press a button of the button type counter (802).
9. The device for dividing the rice multi-variety test sowing seedling bed according to claim 7, characterized in that: install fixed plate (904) on partition board (2), fixed plate (904) downside is provided with inductor (906), and the corresponding is provided with pressure sensing piece (901) below fixed plate (904), pressure sensing piece (901) are articulated with partition board (2) through articulated screw (902), be provided with return spring II (903) between pressure sensing piece (901) and fixed plate (904), pressure sensing piece (901) are still installed towards fixed plate (904) one side and are pressed inductor pressing block (905) that can contact down inductor (906).
10. The device for dividing the rice multi-variety test sowing seedling bed according to claim 1, characterized in that: the dividing plates (2) are vertically arranged side by side, and the number of the dividing plates is 11, 21 or 31.
CN202220848544.3U 2022-04-13 2022-04-13 Experimental seeding seedling bed of many varieties of rice divides device Expired - Fee Related CN217011765U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220848544.3U CN217011765U (en) 2022-04-13 2022-04-13 Experimental seeding seedling bed of many varieties of rice divides device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220848544.3U CN217011765U (en) 2022-04-13 2022-04-13 Experimental seeding seedling bed of many varieties of rice divides device

Publications (1)

Publication Number Publication Date
CN217011765U true CN217011765U (en) 2022-07-22

Family

ID=82416900

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220848544.3U Expired - Fee Related CN217011765U (en) 2022-04-13 2022-04-13 Experimental seeding seedling bed of many varieties of rice divides device

Country Status (1)

Country Link
CN (1) CN217011765U (en)

Similar Documents

Publication Publication Date Title
US7143703B2 (en) Combination seed planter and garden tool
Miller et al. Evaluation of corn seed vacuum metering systems
CN107873190B (en) Seeder for vegetable planting
CN217011765U (en) Experimental seeding seedling bed of many varieties of rice divides device
CN213426874U (en) Quick dibble seeding device of rice seed
AU5709599A (en) Quick change seed boot
CN207201224U (en) Agricultural tool
KR102045178B1 (en) planter
CN208434304U (en) Multifunctional portable type seeder
CN211982565U (en) Distance seeding device for greenhouse planting
CN210959383U (en) Germination box capable of effectively keeping directional and ordered elongation of radicle of seed
CN203410177U (en) Marking device for seedling holes in mulching film
Fornstrom et al. Comparison of sugarbeet planters and planting depth with two sugarbeet varieties
CN212013553U (en) Corn experimental ground seeder
CN220422417U (en) Hand-held dibbler
CN220776485U (en) Sorghum seeder with fertilization structure
CN212413783U (en) Novel biological seed planting in gardens device
CN212622584U (en) Multi-point embedded soil temperature and humidity detection device
CN215379860U (en) Sugarcane planting tool
CN217088581U (en) Auxiliary tool for quality monitoring and evaluation suitable for small-particle-size seeds
CN213907441U (en) Grass seed solid rubber wheel extrusion type seed sowing device for gramineae
CN213301271U (en) Agriculture and forestry remote sensing monitoring devices
CN217183812U (en) Simple and easy millet seeding equipment
CN210671260U (en) No-tillage wheat seed and fertilizer integrated hill planter utilizing mulching films for two years
CN220915736U (en) Test field artificial sowing variable row spacing furrow opener

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220722

CF01 Termination of patent right due to non-payment of annual fee