CN107969436A - Composition for controlling weeds and method for controlling weeds - Google Patents
Composition for controlling weeds and method for controlling weeds Download PDFInfo
- Publication number
- CN107969436A CN107969436A CN201710959486.5A CN201710959486A CN107969436A CN 107969436 A CN107969436 A CN 107969436A CN 201710959486 A CN201710959486 A CN 201710959486A CN 107969436 A CN107969436 A CN 107969436A
- Authority
- CN
- China
- Prior art keywords
- constituent
- weeds
- controlling weeds
- rudiment
- sand
- 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.)
- Withdrawn
Links
- 241000196324 Embryophyta Species 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000203 mixture Substances 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000004576 sand Substances 0.000 claims abstract description 26
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 17
- 239000010440 gypsum Substances 0.000 claims abstract description 17
- 239000000470 constituent Substances 0.000 claims description 77
- 239000002245 particle Substances 0.000 claims description 18
- 230000008635 plant growth Effects 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 abstract description 24
- 230000012010 growth Effects 0.000 abstract description 14
- 239000003337 fertilizer Substances 0.000 abstract description 4
- 231100000956 nontoxicity Toxicity 0.000 abstract description 2
- 238000001035 drying Methods 0.000 abstract 1
- 230000035784 germination Effects 0.000 abstract 1
- 230000002363 herbicidal effect Effects 0.000 abstract 1
- 231100000331 toxic Toxicity 0.000 abstract 1
- 230000002588 toxic effect Effects 0.000 abstract 1
- 230000035515 penetration Effects 0.000 description 12
- 230000001473 noxious effect Effects 0.000 description 5
- 238000009333 weeding Methods 0.000 description 5
- 244000189799 Asimina triloba Species 0.000 description 4
- 235000006264 Asimina triloba Nutrition 0.000 description 4
- 235000009467 Carica papaya Nutrition 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000007226 seed germination Effects 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000002420 orchard Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
- A01N59/06—Aluminium; Calcium; Magnesium; Compounds thereof
-
- 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
- A01G13/02—Protective coverings for plants; Coverings for the ground; Devices for laying-out or removing coverings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Agronomy & Crop Science (AREA)
- Pest Control & Pesticides (AREA)
- Plant Pathology (AREA)
- Toxicology (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Catching Or Destruction (AREA)
Abstract
The known herbicidal compositions are highly toxic and can be harmful to crops, human bodies and the environment. The invention provides a composition for controlling weeds, which has no toxicity and can be used as a fertilizer after crops are harvested, and the composition comprises (A) gypsum and (B) sand. The invention also provides a method for controlling weeds, which can prevent or inhibit the germination or growth of weeds by adding water to the composition, covering the weeds or soil where plants grow, and drying and solidifying the composition.
Description
Technical field
The present invention relates to a kind of controlling weeds constituent, it includes gypsum and sand.
Background technology
Weeds can not only consume the nutrient in soil, can also cover sunlight, hinder plant or crop growth, reduce plant
Or the yield or economic value of crops, or even the pathogenic original being harmful to plant or crops can be spread, so, if can be effective
Ground controls weeds or noxious plant, it will greatly promotes the yield of crop.And how cover crop is from weeds or noxious plant
Influence, be agricultural community have been working hard overcome and in face of the problem of.
The processing with regard to weeds or noxious plant has following methods at present:1st, mode is rooted out using artificial, such as with manually side
Formula uprooting weed need to all be completed with instrument weeding, this mode with manpower, and in addition to wage cost is too high, manually hard to find is also one
Big puzzlement, and each phase crop needs multiple weeding, a large amount of artificial and expenses produce white elephant to peasant.2nd, using chemistry
The weeding system of medicament, although the weeding system of chemical agent is quick and effect is good, to soil, human body, water source and environment
Harm be maximum, therefore, the toxicity of chemical agent is the problem of everybody must take into consideration to the security of environment.In addition, change
It is not comprehensive for weeding to learn medicament, in addition to the absorption of weeds, can also extend to crop, therefore exacerbate foregoing etc. ask again
Topic.
The content of the invention
The present invention relates to a kind of constituent of controlling weeds, particularly nontoxicity, can be as fertilizer except after ploughing, and becomes
The constituent of soil some.
Therefore, the present invention provides the theoretical mixture ratio of a kind of constituent of controlling weeds, including gypsum and sand, gypsum and sand
Example is 1:1.8~1:0.8, preferably 1:1, with volume basis, which is 0.0625~2mm millimeters, or the sand hill
It is 0.004~0.0625 millimeter of sand to include particle, and hybrid particles are 0.0625~2mm millimeters of sand, its preferable mixed proportion
For 0.1:1~1:1, with volume basis.
On the other hand, the present invention provides a kind of method of controlling weeds, including the constituent containing gypsum and sand is covered
Part is grown in ruderal plant, cladding thickness is 2mm~20mm, preferably 5mm~10mm, humidifies the constituent with water, and give
To spontaneously dry the cured constituent, which is 1 to husky theoretical mixture ratio example:1.8~1:0.8, preferably 1:1, with
Volume basis.In method, which is 0.0625~2mm millimeters, or the sand hill includes particle as 0.004~0.0625 public affairs
Li sand, hybrid particles are 0.0625~2mm millimeter of sand, its preferable mixed proportion is 0.1:1~1:1, with volume basis.
In method, it is sprayed at water on constituent to moisten the constituent, embodiment is directly gently sprinkled upon on constituent using washing head.Separately
Outside, it can also make water fogging and be sprayed on constituent.This method is used in before weeds rudiment or implements after rudiment.Before weeds rudiment
During implementation, the constituent after curing can prevent the rudiment of weeds.In addition, implement after weeds rudiment, then weeds of rudiment
Be cured rear constituent covering and compacting and can not regrowth.
Also, on the other hand, the present invention provides a kind of method of controlling weeds, including (A) gypsum will be contained and (B) is husky
Constituent adds water to be covered in ruderal plant growth part after mixing, and cladding thickness is 2mm~20mm, preferably 5mm~10mm, and
Make the constituent dry and cure, wherein, (A) is 1 to the theoretical mixture ratio example of (B):1.8~1:0.8, preferably 1:1, with body
Product is than meter.And the mixed proportion that water accounts for is 20~45%, preferably 30~35%, with volume basis.And the husky particle is
0.0625~2mm millimeters, or the sand is 0.0625~2mm millimeters by the sand and particle that particle is 0.004~0.0625 millimeter
Sand mix, its theoretical mixture ratio example be 0.1:1~1:1, with volume basis.
This method is used in before weeds rudiment or implements after rudiment, and this method and the general in a manner of artificial coating or mechanically spraying
Constituent is covered in ruderal plant growth part.After constituent cures, weeds rudiment can be prevented, the weeds of rudiment are subject to admittedly
Covering and the compacting of constituent after change and can not regrowth, the excellent to controlling or suppressing weeds or noxious plant.
The constituent of the present invention can be applied at the weeds removed or plant growth.In addition, it can be miscellaneous what is removed
Grass or plant applied before occurring it is preferable, and in careless firm rudiment can also, as long as the constituent of the present invention can cover i.e.
Can.
The constituent of the present invention is used suitable for soil, constituent is covered in soil surface, and the constituent can be applied
In agriculture field, such as dry land, orchard and non-farmland, such as ridge, fallow ground, recreation ground, park green land, golf course, sky
Ground, forest land, factory site, railway side, by road, garden and potted plant.
Beneficial effects of the present invention:
1st, solidify afterwards are dried by constituent in this present embodiment, seepage of water is good, and moisture or rainwater can be permeated and entered
Into soil, to supply crop water.2nd, constituent of the invention really can be to prevent making or suppress sprouting for weeds or noxious plant
Bud or growth, it is most important that it naturally without toxicity, can be used as fertilizer and improvement soil texture except ploughing rear, be good
Soil modifier.3rd, construction is simple of the invention, a term apply once, and manpower can be greatly reduced, and save human cost,
With economic benefit.4th, appropriate fertilizer or soil modifier can be added in the present invention, after except cultivated or term, into soil
Use.5th, constituent of the invention is applied on the surface of soil, has consolidated soil, thus can prevent because rainwash and
Caused by soil losses problem.
Embodiment
It refer to example in detail below, but the present invention is not only restricted in these specific embodiments.
Example 1:The present invention provides a kind of constituent of controlling weeds, is made for the growth of controlling weeds, it includes (A) gypsum
And (B) is husky, which is covered in the crop surrounding soil of pawpaw, constituent thickness is 10mm, and is sprinkled water with washing head, with
The constituent is humidified, and allows constituent to spontaneously dry solidify afterwards, by 1~30 day, observes the growth situation of weeds and crop, its
In, in the place covered with constituent, weeds and plant can not grow (referring to table 1), wherein, NO represent weeds can not rudiment and
Growth, and without the place of covering constituent, pawpaw and weed growth are normal, and during watering, moisture can permeate constituent naturally
Into soil, for moisture needed for crop.
Table 1
NO:Represent that weeds can not rudiment and growth
In embodiment, (A) is 1 to the mixed proportion of (B):1.8~1:0.8, preferably then using about 1:1 ratio, with
Volume basis.Moisture humidifies constituent enough, and constituent absorbs water after saturation, and excessive moisture can down penetrate into soil
In, therefore do not hinder the reaction of gypsum in constituent yet.
In embodiment, which is in powdery, using the avirulent natural gypsum.
In embodiment, the granular size for defining sand is 0.0625~2mm millimeters, and granular size is 0.004~0.0625
The sand of millimetre then belongs to the scope of mud.
In embodiment, the water penetration of constituent is preferable when husky particle is 0.0625~2mm millimeters, and particle is 0.004
~0.0625 millimeter of sand belongs to mud, its particle is smaller, and the water penetration of constituent is poor after being mixed with gypsum, and mixes foregoing two
The sand of kind variable grain, then can adjust the water penetration of constituent, such as mixed proportion is 1:0.1~1:1, with volume basis,
Wherein, the big ratio of particle is more, then water penetration is good.But regardless of husky granular size, have to the effect of controlling weeds, it is poor
Not in the excellent no of water penetration.
In addition, in embodiment, can be applied before weeds rudiment, allow weeds can not rudiment, can also be after weeds rudiment
Apply, preferably soon, the thickness of the constituent of the more long then required covering of weeds is bigger for the firm rudiment of weeds, and embodiment is then to utilize
Constituent seals weeds, makes weeds dead.But if when weeds are too high, required constituent is thicker, amount is then more, into
This is opposite to improve, it is therefore proposed that the non-rudiment of weeds or rudiment soon when apply.Apply all use above and arrive anyization
Learn medicament.
In embodiment, the seed of tall scrawny person is also sprinkled on soil, with tall scrawny person as weeds or should not plant survey
Plant experimentally class, by tall scrawny person's seed germination when powerful penetration power, whether test constituent can keep out the rudiment of tall scrawny person.By
The observation of 1~30 day, on the soil of no constituent covering, the rudiment of weeds and tall scrawny person are normal, and are having constituent to cover
The place of tall scrawny person's seed is covered, weeds and tall scrawny person can not rudiment and growth.
In embodiment, the constituent planted or after planting spread then at crop surrounding in embodiment can be first planted, can also be spread
After constituent in upper each embodiment, reserve plant and plant hole position, then give plant to plant or sow.
Embodiment 2:The present invention provides a kind of constituent of controlling weeds, is made for the growth of controlling weeds, it is included (A)
The constituent of gypsum and (B) sand is covered in the crop surrounding soil of pawpaw after being mixed with water, constituent thickness is about 10mm, and is allowed
Constituent spontaneously dries solidify afterwards, by 1~30 day, observes the growth situation (referring to table 2) of weeds and crop, wherein, covering
Be stamped the place of constituent, weeds and plant can not grow, and without covering constituent place, pawpaw and weed growth are normal,
And when watering, moisture can permeate constituent naturally into soil, for moisture needed for crop.
Table 2
NO:Represent that weeds can not rudiment and growth
The mode applied can be sprayed using spray coating mechanical, be adapted to applying in large area, can also be used and manually be draped over one's shoulders
Cover, be adapted to applying in small area.It is about 1 to husky ratio as gypsum:1.8~1:0.8, with volume basis, preferably then adopt
With about 1:1 ratio, and the mixed proportion that water accounts for is 20~45%, preferably 30~35%, with volume basis.If using
Artificial coating, then the ratio of water can be lower, according to machine spraying method, then the ratio of water will it is high a bit.The ideal of water
Although ratio is 20~45%, during more than the ratio, after constituent water suction saturation, excessive moisture can down penetrate into soil
In, therefore the reaction of gypsum in constituent will not be influenced.Therefore, the ratio of water can also be higher than foregoing ratio.
In embodiment, which is powdery, using the avirulent natural gypsum.
In embodiment, the granular size for defining sand is 0.0625~2mm millimeters, and granular size is 0.004~0.0625
The sand of millimetre then belongs to the scope of mud.
In embodiment, the water penetration of constituent is preferable when husky particle is 0.0625~2mm millimeters, and particle is 0.004
~0.0625 millimeter of sand belongs to mud, its particle is smaller, and the water penetration of constituent is poor after being mixed with gypsum, and mixes foregoing two
The sand of kind variable grain, then can adjust the water penetration of constituent, such as mixed proportion is 1:0.1~1:1, with volume basis,
Wherein, the big ratio of particle is more, then water penetration is good.But regardless of husky granular size, have to the effect of controlling weeds, it is poor
Not in the excellent no of water penetration.
In addition, in embodiment, can be applied before weeds rudiment, allow weeds can not rudiment, can also be after weeds rudiment
Apply, preferably in the firm rudiment of weeds soon, the thickness of the constituent of the more long then required covering of weeds is bigger, and embodiment is then profit
Weeds are sealed with constituent, make weeds dead.But if when weeds are too high, required constituent is thicker, amount is then more,
Cost is opposite to be improved, it is therefore proposed that the non-rudiment of weeds or rudiment soon when apply.Applying above need not all use to any
Chemical agent.
In embodiment, the seed of tall scrawny person is also sprinkled on soil, with tall scrawny person as weeds or should not plant survey
Plant experimentally class, by tall scrawny person's seed germination when powerful penetration power, whether test constituent can keep out the rudiment of tall scrawny person.By
The observation of 1~30 day, on the soil of no constituent covering, the rudiment of weeds and tall scrawny person are normal, and are having constituent to cover
The place of tall scrawny person's seed is covered, weeds and tall scrawny person can not rudiment and growth.
In embodiment, the constituent planted or after planting spread then at crop surrounding in embodiment can be first planted, can also be spread
After constituent in upper each embodiment, reserve plant and plant hole position, then give plant to plant or sow.
The foregoing is only a preferred embodiment of the present invention, it is impossible to the scope of the invention implemented is limited with this, i.e., it is all
The simple equivalent changes and modifications made according to claims of the present invention and description, should all still fall within the protection of the present invention
In the range of.
Claims (13)
1. a kind of constituent of controlling weeds, it is characterised in that it is 0.0625~2mm millimeters of husky institute's group by gypsum and particle
Into, wherein, gypsum is 1 to husky mixed proportion:1.8~1:0.8, with volume basis.
2. the constituent of controlling weeds as claimed in claim 1, it is characterised in that the sand further comprises that particle is 0.004
~0.0625 millimeter of sand is mixed in the sand that the particle is 0.0625~2mm millimeters, its mixed proportion is 0.1:1~1:1, with body
Product is than meter.
A kind of 3. method of controlling weeds, it is characterised in that including the constituent described in claim 1 or 2 is covered in weeds
In place of plant growth, which is humidified with water.
4. the method for controlling weeds as claimed in claim 3, it is characterised in that this method is sprayed at wet on constituent with water
Moisten the constituent.
5. the method for controlling weeds as claimed in claim 3, it is characterised in that this method is used in before weeds rudiment or rudiment
Afterwards.
6. the method for controlling weeds as claimed in claim 3, it is characterised in that this method is to utilize the composition spontaneously dried
Thing.
7. the method for controlling weeds as claimed in claim 5, it is characterised in that the constituent covering thickness for 2mm~
20mm。
A kind of 8. method of controlling weeds, it is characterised in that after adding water to mix the constituent described in claim 1 or 2
It is covered in ruderal plant growth part.
9. the method for controlling weeds as claimed in claim 8, it is characterised in that this method is used in before weeds rudiment or rudiment
Afterwards.
10. the method for controlling weeds as claimed in claim 8, it is characterised in that will in a manner of artificial coating or mechanically spraying
Constituent is covered in ruderal plant growth part.
11. the method for controlling weeds as claimed in claim 8, it is characterised in that this method is to utilize the group spontaneously dried
Into thing.
12. the method for controlling weeds as claimed in claim 8, it is characterised in that the constituent covering thickness for 2mm~
20mm。
13. the method for controlling weeds as claimed in claim 8, it is characterised in that the mixed proportion that water accounts for is 20~45%, with
Volume basis.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW105133967A TWI598040B (en) | 2016-10-21 | 2016-10-21 | Compositions for controlling weeds and methods for controlling weeds |
TW105133967 | 2016-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107969436A true CN107969436A (en) | 2018-05-01 |
Family
ID=60719548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710959486.5A Withdrawn CN107969436A (en) | 2016-10-21 | 2017-10-16 | Composition for controlling weeds and method for controlling weeds |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN107969436A (en) |
TW (1) | TWI598040B (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009240230A (en) * | 2008-03-31 | 2009-10-22 | Matsui Bunshoudo:Kk | Weedproofing material and weedproof-hardening material, and application method therefor |
CN102675725A (en) * | 2012-05-18 | 2012-09-19 | 天水天宝塑业有限责任公司 | Special black weed-removal mulching film for traditional Chinese medicinal materials |
JP2014201526A (en) * | 2013-04-02 | 2014-10-27 | 吉澤石灰工業株式会社 | Weed suppressing material and construction method of the same |
CN105432379A (en) * | 2014-09-25 | 2016-03-30 | 李威 | Integrated weed control technique for alfalfa field |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1274217C (en) * | 2003-09-10 | 2006-09-13 | 刘珊 | Dry farmland herbicide and its methods of use |
US8114426B2 (en) * | 2005-07-19 | 2012-02-14 | Oms Investments, Inc. | Granular turf safe mesotrione compositions |
WO2007147209A1 (en) * | 2006-06-23 | 2007-12-27 | Nufarm Australia Limited | Herb icidal composition containing amitrole and method for controlling weeds |
-
2016
- 2016-10-21 TW TW105133967A patent/TWI598040B/en not_active IP Right Cessation
-
2017
- 2017-10-16 CN CN201710959486.5A patent/CN107969436A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009240230A (en) * | 2008-03-31 | 2009-10-22 | Matsui Bunshoudo:Kk | Weedproofing material and weedproof-hardening material, and application method therefor |
CN102675725A (en) * | 2012-05-18 | 2012-09-19 | 天水天宝塑业有限责任公司 | Special black weed-removal mulching film for traditional Chinese medicinal materials |
JP2014201526A (en) * | 2013-04-02 | 2014-10-27 | 吉澤石灰工業株式会社 | Weed suppressing material and construction method of the same |
CN105432379A (en) * | 2014-09-25 | 2016-03-30 | 李威 | Integrated weed control technique for alfalfa field |
Non-Patent Citations (3)
Title |
---|
李宏 等编: "《材质构成》", 31 May 2014, 辽宁美术出版社 * |
李少眉 等编: "《现用化肥性能与用法》", 31 August 1982, 浙江科学技术出版社 * |
王恒亮 等编: "《新编除草剂应用技术手册》", 30 November 2003, 中原农民出版社 * |
Also Published As
Publication number | Publication date |
---|---|
TWI598040B (en) | 2017-09-11 |
TW201815288A (en) | 2018-05-01 |
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Application publication date: 20180501 |