CN112335495A - Method for breeding wild rhizoma atractylodis seeds - Google Patents
Method for breeding wild rhizoma atractylodis seeds Download PDFInfo
- Publication number
- CN112335495A CN112335495A CN201910731826.8A CN201910731826A CN112335495A CN 112335495 A CN112335495 A CN 112335495A CN 201910731826 A CN201910731826 A CN 201910731826A CN 112335495 A CN112335495 A CN 112335495A
- Authority
- CN
- China
- Prior art keywords
- soil
- seeds
- rhizoma atractylodis
- seedling
- bed
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
Abstract
The invention discloses a method for breeding wild rhizoma atractylodis seeds, which comprises the following steps: s1: selecting land, preparing land and fertilizing: the method comprises the steps of selecting soil with deep soil layer, good drainage, loose and fertile soil and sufficient sunlight, sandy soil or humus soil as a bed, applying 2000 kilograms of farmyard manure per mu, adopting a large ridge high bed technology, wherein the bed width is 130 plus 140 centimeters, the length is determined according to requirements, the bed height is 10-12 centimeters, and the bed interval is 30 centimeters, and relates to the technical field of rhizoma atractylodis breeding methods. According to the method for breeding the wild rhizoma atractylodis seeds, the wide-narrow row planting method is adopted, the ventilation and light transmission conditions are improved, the row sealing of the plants is late, the field management in the middle and later periods is facilitated, the planting density is increased, the production yield is improved, the normal growth of seedlings is guaranteed through the treatment of intertillage weeding, additional fertilization, irrigation, water drainage and pest control, the survival rate is improved, the production yield is further improved, the obtained seeds are full, the germination rate is high, and the wide popularization and the use are facilitated.
Description
Technical Field
The invention relates to the technical field of rhizoma atractylodis breeding methods, in particular to a rhizoma atractylodis wild seed breeding method.
Background
Rhizoma atractylodis: the rhizome of Atractylodes lancea L.of Compositae is horizontal or obliquely raised, adventitious root and upright stem with height of 100 cm, and single or few stems grow into clusters and the basal leaves fall off in flowering phase; the stem leaves at the middle and lower parts are almost stem-free, round, inverted oval, oblique oval, oval or elliptical, the stem leaves at the upper part or only the upper part are not split, the stem leaves at the middle part are inverted oval, oblong or oblong, all the leaves are hard paper, the two sides are green and hairless, and the edges or the edges of split leaves are provided with needling-shaped hair edges or triangular thorn teeth or heavy thorn teeth. The top of the single stem of the cephalic inflorescence is in a general bract bell shape, and the bract needle is in a pinnate shape and is completely or deeply cracked. White flowers, inverted oval-shaped lean fruits, thick white long straight hair attached in the forward direction, brown or dirty white bristles of crown hair, blossoming and fruiting in 6-10 months.
The main production area of the rhizoma atractylodis is not mined according to the standard all year round, wild resources are reduced year by year, and the national protection policy of wild medicinal materials is increased to limit mining and transportation, so that the market resource quantity of the rhizoma atractylodis is reduced year by year; meanwhile, the application of the atractylis lancea is more and more extensive, and the requirements of Chinese patent medicine feed, veterinary medicine, export and the like are continuously increased, so that the supply of the atractylis in the market is not sufficient.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for breeding wild rhizoma atractylodis seeds, which solves the problems of low seed productivity, time and labor consumption and inconvenience for wide popularization and use of the existing method for breeding wild rhizoma atractylodis seeds.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for breeding wild rhizoma atractylodis seeds comprises the following steps:
s1: selecting land, preparing land and fertilizing: selecting soil, sandy soil or humus soil with deep soil layer, good drainage, loose and fertile soil and sufficient sunlight as a bed, applying 2000 kilograms of farmyard manure per mu, adopting a large ridge high bed technology, wherein the bed width is 130 plus 140 centimeters, the length is determined according to requirements, the bed height is 10-12 centimeters, and the bed interval is 30 centimeters;
s2: seedling propagation: the method mainly comprises the following steps:
s21: seed selection: sieving wild rhizoma Atractylodis seeds, placing the seeds in saline water, stirring rapidly for 2 min, removing empty and shriveled particles floating on the water surface, immediately washing with clear water, draining off water, and selecting full, mature, disease-free, mildewed and damaged seeds;
s22: seedling culture: in the last ten days of 4 months, seedling is grown, the seedbed is well exposed to the sun, before seeding, base fertilizer is applied and ploughed again, fine harrows are leveled, a furrow with the width of 1 meter is made, drill seeding or broadcast seeding is carried out, drill seeding is transversely ditched on the surface of the furrow, the furrow distance is 20-25 cm, the furrow depth is 3 cm, seeds are uniformly scattered in the furrow, then soil is covered, seeds are directly and uniformly scattered on the surface of the furrow in a broadcasting mode, the soil is covered by 2-3 cm, 3-4 kg of seeds are used per mu, a layer of straw is covered on the upper surface after sowing, the soil is frequently watered to keep the soil humidity, and the grass covering is removed after the seedlings grow out;
s23: transplanting: transplanting the rhizoma atractylodis after seedling cultivation, digging out old seedlings with roots when buds just germinate in the middle and last ten days of 5 months, removing soil, cutting rootstocks into a plurality of small blocks with 1-3 buds each, then planting the small blocks in a field, planting rhizoma atractylodis seedlings by adopting a wide-narrow row planting method, covering soil after planting, pressing the seedlings tightly, applying a proper amount of fire soil ash or soil miscellaneous fertilizers, and covering fine soil to cover the roots and the necks of the seedlings for 2-3 cm;
s3: field management: the method mainly comprises the following steps:
s31: intertillage weeding: weeding and loosening soil frequently in the seedling stage, and weeding once in combination with thinning when the height of seedlings is 2 cm; when the height of the seedling is 5 cm, weeding is carried out for 1 time by combining thinning, and shallow intertillage is suitable at the moment because the main root is not penetrated into the deep layer; when the height of the seedling is 18-30 cm, the seedling can be hoed deeply, and no intertillage weeding is performed after the row is sealed;
s32: topdressing: topdressing is carried out for 3 times every year, earthing-up is combined to prevent lodging, clear liquid dung is applied in 5 months in the first topdressing, and about 1000 kilograms of liquid dung is used per mu; applying human excrement and urine in the second 6-month seedling growth prime period, wherein 1250 kg of human excrement and urine is applied per mu, and 5 kg of ammonium sulfate fertilizer can be applied per mu; for the third time of topdressing, 1000 plus human excrement and urine per mu and 1500 kg of fertilizer are applied before 8 months of blooming, and simultaneously a proper amount of plant ash and calcium superphosphate are applied;
s33: irrigation and drainage: if the soil is watered in time in drought to keep the soil moist, timely drainage and waterlogging prevention are needed in rainy season to avoid root rot and seedling death;
s34: and (3) pest control: the developed plants are immediately removed, and chemical agents can be used;
s4: harvesting: selecting seeds of healthy high-quality plants two years later, winnowing the seeds, screening, removing the seeds with shrivelled, small and low germination rate, and cultivating the obtained high-quality seeds.
Furthermore, the wide-narrow row planting method in S23 is to arrange wide rows and narrow rows alternately.
Further, the brine in S21 is a sodium chloride solution with a concentration of one percent.
Furthermore, in the step S34, 50% of the procymidone, 1000 times of the wettable powder or 1% of lime water can be used for pouring, and then, 800 times of the thiophanate 50% can be used for spraying to prevent and control the root rot.
Further, in the S34, the tobacco lime water in a ratio of 1:1:10 can be used for controlling pests.
Further, in the step S32, after the cake fertilizer, the calcium superphosphate and the manure are composted, furrows are dug between rows, and soil is covered and fertilized and earthed after the furrowing.
(III) advantageous effects
The invention has the following beneficial effects:
according to the method for breeding the wild rhizoma atractylodis seeds, the wide-narrow row planting method is adopted, the ventilation and light transmission conditions are improved, the row sealing of the plants is late, the field management in the middle and later periods is facilitated, the planting density is increased, the production yield is improved, the normal growth of seedlings is guaranteed through the treatment of intertillage weeding, additional fertilization, irrigation, water drainage and pest control, the survival rate is improved, the production yield is further improved, the obtained seeds are full, the germination rate is high, and the wide popularization and the use are facilitated.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The embodiment of the invention provides a technical scheme that: a method for breeding wild rhizoma atractylodis seeds comprises the following steps:
s1: selecting land, preparing land and fertilizing: selecting soil, sandy soil or humus soil with deep soil layer, good drainage, loose and fertile soil and sufficient sunlight as a bed, applying 2000 kilograms of farmyard manure per mu, adopting a large ridge high bed technology, wherein the bed width is 130 plus 140 centimeters, the length is determined according to requirements, the bed height is 10-12 centimeters, and the bed interval is 30 centimeters;
s2: seedling propagation: the method mainly comprises the following steps:
s21: seed selection: sieving wild rhizoma Atractylodis seeds, placing the seeds in saline water, stirring rapidly for 2 min, removing empty and shriveled particles floating on the water surface, immediately washing with clear water, draining off water, and selecting full, mature, disease-free, mildewed and damaged seeds;
s22: seedling culture: in the last ten days of 4 months, seedling is grown, the seedbed is well exposed to the sun, before seeding, base fertilizer is applied and ploughed again, fine harrows are leveled, a furrow with the width of 1 meter is made, drill seeding or broadcast seeding is carried out, drill seeding is transversely ditched on the surface of the furrow, the furrow distance is 20-25 cm, the furrow depth is 3 cm, seeds are uniformly scattered in the furrow, then soil is covered, seeds are directly and uniformly scattered on the surface of the furrow in a broadcasting mode, the soil is covered by 2-3 cm, 3-4 kg of seeds are used per mu, a layer of straw is covered on the upper surface after sowing, the soil is frequently watered to keep the soil humidity, and the grass covering is removed after the seedlings grow out;
s23: transplanting: transplanting the rhizoma atractylodis after seedling cultivation, digging out old seedlings with roots when buds just germinate in the middle and last ten days of 5 months, removing soil, cutting rootstocks into a plurality of small blocks with 1-3 buds each, then planting the small blocks in a field, planting rhizoma atractylodis seedlings by adopting a wide-narrow row planting method, covering soil after planting, pressing the seedlings tightly, applying a proper amount of fire soil ash or soil miscellaneous fertilizers, and covering fine soil to cover the roots and the necks of the seedlings for 2-3 cm;
s3: field management: the method mainly comprises the following steps:
s31: intertillage weeding: weeding and loosening soil frequently in the seedling stage, and weeding once in combination with thinning when the height of seedlings is 2 cm; when the height of the seedling is 5 cm, weeding is carried out for 1 time by combining thinning, and shallow intertillage is suitable at the moment because the main root is not penetrated into the deep layer; when the height of the seedling is 18-30 cm, the seedling can be hoed deeply, and no intertillage weeding is performed after the row is sealed;
s32: topdressing: topdressing is carried out for 3 times every year, earthing-up is combined to prevent lodging, clear liquid dung is applied in 5 months in the first topdressing, and about 1000 kilograms of liquid dung is used per mu; applying human excrement and urine in the second 6-month seedling growth prime period, wherein 1250 kg of human excrement and urine is applied per mu, and 5 kg of ammonium sulfate fertilizer can be applied per mu; for the third time of topdressing, 1000 plus human excrement and urine per mu and 1500 kg of fertilizer are applied before 8 months of blooming, and simultaneously a proper amount of plant ash and calcium superphosphate are applied;
s33: irrigation and drainage: if the soil is watered in time in drought to keep the soil moist, timely drainage and waterlogging prevention are needed in rainy season to avoid root rot and seedling death;
s34: and (3) pest control: the developed diseased plant is immediately removed, chemical agents can be used, and the rhizoma atractylodis seedlings are easy to have root rot and aphid to damage leaves and young tips;
s4: harvesting: selecting seeds of healthy high-quality plants two years later, winnowing the seeds, screening, removing the seeds with shrivelled, small and low germination rate, and cultivating the obtained high-quality seeds.
The wide-narrow row planting method in the S23 adopts alternate arrangement of wide rows and narrow rows.
The brine in the S21 is a sodium chloride solution with the concentration of one percent.
In the S34, 50% of the procymidone, 1000 times of the wettable powder or 1% of lime water can be used for pouring, and the 50% of the thiophanate 800 times of the liquid can be used for spraying to prevent and control the root rot.
In the S34, the tobacco lime water in a ratio of 1:1:10 can be used for controlling pests.
In the step S32, after cake fertilizer, calcium superphosphate and manure are piled and retted, furrowing and applying are carried out between rows, and after applying, soil is covered, and fertilizer and soil are applied to facilitate the growth of roots.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A method for breeding wild rhizoma atractylodis seeds is characterized by comprising the following steps:
s1: selecting land, preparing land and fertilizing: selecting soil, sandy soil or humus soil with deep soil layer, good drainage, loose and fertile soil and sufficient sunlight as a bed, applying 2000 kilograms of farmyard manure per mu, adopting a large ridge high bed technology, wherein the bed width is 130 plus 140 centimeters, the length is determined according to requirements, the bed height is 10-12 centimeters, and the bed interval is 30 centimeters;
s2: seedling propagation: the method mainly comprises the following steps:
s21: seed selection: sieving wild rhizoma Atractylodis seeds, placing the seeds in saline water, stirring rapidly for 2 min, removing empty and shriveled particles floating on the water surface, immediately washing with clear water, draining off water, and selecting full, mature, disease-free, mildewed and damaged seeds;
s22: seedling culture: in the last ten days of 4 months, seedling is grown, the seedbed is well exposed to the sun, before seeding, base fertilizer is applied and ploughed again, fine harrows are leveled, a furrow with the width of 1 meter is made, drill seeding or broadcast seeding is carried out, drill seeding is transversely ditched on the surface of the furrow, the furrow distance is 20-25 cm, the furrow depth is 3 cm, seeds are uniformly scattered in the furrow, then soil is covered, seeds are directly and uniformly scattered on the surface of the furrow in a broadcasting mode, the soil is covered by 2-3 cm, 3-4 kg of seeds are used per mu, a layer of straw is covered on the upper surface after sowing, the soil is frequently watered to keep the soil humidity, and the grass covering is removed after the seedlings grow out;
s23: transplanting: transplanting the rhizoma atractylodis after seedling cultivation, digging out old seedlings with roots when buds just germinate in the middle and last ten days of 5 months, removing soil, cutting rootstocks into a plurality of small blocks with 1-3 buds each, then planting the small blocks in a field, planting rhizoma atractylodis seedlings by adopting a wide-narrow row planting method, covering soil after planting, pressing the seedlings tightly, applying a proper amount of fire soil ash or soil miscellaneous fertilizers, and covering fine soil to cover the roots and the necks of the seedlings for 2-3 cm;
s3: field management: the method mainly comprises the following steps:
s31: intertillage weeding: weeding and loosening soil frequently in the seedling stage, and weeding once in combination with thinning when the height of seedlings is 2 cm; when the height of the seedling is 5 cm, weeding is carried out for 1 time by combining thinning, and shallow intertillage is suitable at the moment because the main root is not penetrated into the deep layer; when the height of the seedling is 18-30 cm, the seedling can be hoed deeply, and no intertillage weeding is performed after the row is sealed;
s32: topdressing: topdressing is carried out for 3 times every year, earthing-up is combined to prevent lodging, clear liquid dung is applied in 5 months in the first topdressing, and about 1000 kilograms of liquid dung is used per mu; applying human excrement and urine in the second 6-month seedling growth prime period, wherein 1250 kg of human excrement and urine is applied per mu, and 5 kg of ammonium sulfate fertilizer can be applied per mu; for the third time of topdressing, 1000 plus human excrement and urine per mu and 1500 kg of fertilizer are applied before 8 months of blooming, and simultaneously a proper amount of plant ash and calcium superphosphate are applied;
s33: irrigation and drainage: if the soil is watered in time in drought to keep the soil moist, timely drainage and waterlogging prevention are needed in rainy season to avoid root rot and seedling death;
s34: and (3) pest control: the developed plants are immediately removed, and chemical agents can be used;
s4: harvesting: selecting seeds of healthy high-quality plants two years later, winnowing the seeds, screening, removing the seeds with shrivelled, small and low germination rate, and cultivating the obtained high-quality seeds.
2. The method for breeding the wild rhizoma atractylodis seeds according to claim 1, which is characterized in that: the wide-narrow row planting method in the S23 adopts alternate arrangement of wide rows and narrow rows.
3. The method for breeding the wild rhizoma atractylodis seeds according to claim 1, which is characterized in that: the brine in the S21 is a sodium chloride solution with the concentration of one percent.
4. The method for breeding the wild rhizoma atractylodis seeds according to claim 1, which is characterized in that: in the S34, 50% of the procymidone, 1000 times of the wettable powder or 1% of lime water can be used for pouring, and the 50% of the thiophanate 800 times of the liquid can be used for spraying to prevent and control the root rot.
5. The method for breeding the wild rhizoma atractylodis seeds according to claim 1, which is characterized in that: in the S34, the tobacco lime water in a ratio of 1:1:10 can be used for controlling pests.
6. The method for breeding the wild rhizoma atractylodis seeds according to claim 1, which is characterized in that: in the step S32, after cake fertilizer, calcium superphosphate and manure are piled and retted, furrowing and applying are carried out between rows, and after applying, soil is covered, and fertilizer and soil are raised.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731826.8A CN112335495A (en) | 2019-08-08 | 2019-08-08 | Method for breeding wild rhizoma atractylodis seeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910731826.8A CN112335495A (en) | 2019-08-08 | 2019-08-08 | Method for breeding wild rhizoma atractylodis seeds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112335495A true CN112335495A (en) | 2021-02-09 |
Family
ID=74367458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910731826.8A Pending CN112335495A (en) | 2019-08-08 | 2019-08-08 | Method for breeding wild rhizoma atractylodis seeds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112335495A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114651690A (en) * | 2022-04-06 | 2022-06-24 | 宁夏大学 | Artificial breeding method of wild cattle branch seeds in arid region |
-
2019
- 2019-08-08 CN CN201910731826.8A patent/CN112335495A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114651690A (en) * | 2022-04-06 | 2022-06-24 | 宁夏大学 | Artificial breeding method of wild cattle branch seeds in arid region |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102428815B (en) | Good agriculture practice (GAP) method of Isodon glaucocalyx Kudo | |
| CN104541844A (en) | Open cultivation method for wild psammosilene tunicoides | |
| CN103999675A (en) | Taro cultivating method | |
| CN104541900A (en) | Planting method of peas | |
| CN103931405A (en) | Planting method of Chinese herbal medicine atractylodes | |
| CN105191627A (en) | High-yield spring peanut cultivation method | |
| CN103430734A (en) | Method for improving maturing rate of konjak seeds | |
| CN106258288A (en) | A kind of cultural method of Fructus Schisandrae Chinensis | |
| CN104488492B (en) | Large-scale production method for Weining codonopsis pilosula | |
| CN103814711A (en) | Culture method for arranging and transplanting corns | |
| CN103703949A (en) | Method of raising seedlings of high-grade star anise | |
| CN110036852A (en) | A kind of long Chinese yam grows wild the implantation methods of high yield | |
| CN103202126A (en) | Ginseng seedling culture and flatland ginseng planting method | |
| CN104686159A (en) | Method for planting selenium-rich vegetable and fruit in farmland | |
| CN107047076A (en) | A kind of soybean plant strain expanding propagation method | |
| CN105052447A (en) | Rhubarb planting method | |
| CN112335495A (en) | Method for breeding wild rhizoma atractylodis seeds | |
| CN109042180A (en) | A kind of hot pickled mustard tuber high-yield planting method | |
| CN112470830B (en) | Seed propagation technology of rhizoma atractylodis in asteraceae | |
| CN115211344A (en) | Method for improving economic benefit by peony intercropping technology | |
| CN112425467A (en) | Planting method of flowering cabbage | |
| CN109169083B (en) | Method for cultivating dry seedlings by rice mulching machine transplanting discs | |
| CN107996241A (en) | A kind of cultural method of seedless roxburgh rose | |
| CN108934822A (en) | The cultivation method for matching of beam-connected greenhouse capsicum mechanization production | |
| CN110881385A (en) | High-yield and high-quality cultivation method for medicinal cyathula root |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210209 |
|
| WD01 | Invention patent application deemed withdrawn after publication |