CN1660477A - Visual type harmful gas remover and preparing method - Google Patents
Visual type harmful gas remover and preparing method Download PDFInfo
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- CN1660477A CN1660477A CN 200410016625 CN200410016625A CN1660477A CN 1660477 A CN1660477 A CN 1660477A CN 200410016625 CN200410016625 CN 200410016625 CN 200410016625 A CN200410016625 A CN 200410016625A CN 1660477 A CN1660477 A CN 1660477A
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- pernicious gas
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- gas remover
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Abstract
A visualized harmful gas removing agent is prepared from the porous carrier chosen from silica gel, molecular sieve, zeolite, alumina and calcium chloride in the form of powder, particle, or filtering paper, through treating it by potassium permanganate in alkalinecondition. It can capture, adsorb and eliminate volatile and reductive harmful gases. Its result can be shown by the color variation from red to brown.
Description
Affiliated technical field
The present invention relates to environmental protection processing and detection range, the particularly a kind of visual type pernicious gas remover that can understand the result by perusal with and preparation method thereof.
Background technology
In human lives's the environment, particularly the new home, new car reach and newly put multiple pernicious gases such as containing formaldehyde, benzene series thing, ammonia in the furniture, and person health is worked the mischief.
Formaldehyde is colourless irritative gas, be indoor and car in one of common pollutant in the air, often be present in the glued board that contains Lauxite, comprise particle board, hardwood veneered panel, medium density fibre board (MDF), wherein with latter's content of formaldehyde for the highest.Formaldehyde has excitant, contacts for a long time and might bring out cancer eyes and nose.
Benzene series such as benzene, dimethylbenzene thing is a volatile organic matter, colourless have a special aromatic odor, be defined as carcinogen by the World Health Organization, eyes, skin and the upper respiratory tract there is spread effect, long-term suction can cause alpastic anemia (leukemia), the women than male sex's sensitivity, also has certain influence to reproductive function to the harm of benzene, can cause the defective of fetal congenital.In various construction materials, organic solvent, exist in a large number.
Ammonia is a kind of colourless gas that the intense stimulus stink is arranged, and is main from the concrete antifreezer that uses in the construction, high-alkali cement expansive material and early strength agent.Ammonia is a kind of alkaline matter, and the upper respiratory tract of human body is had to stimulate and corrosiveness, weakens the resistance of human body to disease.Suck in a short time that shedding tears can appear in a large amount of ammonia, pharyngalgia, hoarseness, cough, dizziness, symptom such as feel sick, pulmonary edema or Respiratory Distress Syndrome(RDS) can appear in severe patient, and the respiratory tract symptom takes place simultaneously.
In addition, toxic and harmfuls such as acetone, hydrogen sulfide, sulfur dioxide, carbon monoxide also are present in automobile and the inhabitation atmospheric environment to some extent.
At present, formaldehyde is eliminated the existing in the literature many reports of related art scheme.A kind of scheme is reactive compound to be made formaldehyde eliminate solution or powder, with smear, spray, form such as interpolation uses, by with formaldehyde generation chemical reaction or form the membrane sealed layer and stop mechanism such as formaldehyde release to reach to reduce the purpose that formaldehyde pollutes.The water-soluble active methylenes compound that Chinese patent publication number 1032047 discloses, sulfanilic acid and the mould mixing formula of urea that publication number 1104657 discloses, the tea powder that publication number 1298911 discloses, the hydrazide kind compound that publication number 1404891 discloses, triethanolamine and Sodium Metabisulfite mixing formula that publication number 1413750 discloses, the Tea Polyphenols that publication number 1425725 discloses, the natural canella extract that publication number 1431258 discloses, and the urea and the ammonium chloride mixing formula of U.S. Patent number 5108621 disclosures, the poly imonium that the patent No. 5317071 discloses, the mixing formula of urea that the patent No. 60012741 discloses and cyclodextrin etc., urea that the patent No. 6043405 discloses and polyethylene imonium prescription etc. all belong to this type of.Also there are multiple solution or powder-type formaldehyde to eliminate product in the market, occur with titles such as formaldehyde catching agent, remover, scavengers.Another kind of scheme is the material that reactive compound and certain possess absorption or support function to be combined make the solid forming product, by catch, absorbing formaldehyde and reach the purpose that reduces the formaldehyde pollution with mechanism such as formaldehyde generation chemical reaction.The AU formaldehyde catching agent that concavo-convex rod of the clay by microcrystalline porous structure that Chinese patent publication number 1062541 discloses and aqueous solution of urea are mixed and made into, the formaldehyde absorption plant that the vessel by the formaldehyde absorbing particles of being with oxidant and wall perforate that publication number 2451216 discloses is formed, the microcapsule product of forming by macromolecular compound capsule shells and interior formaldehyde catching agent capsule-core thereof that publication number 2519722 discloses, the sandwich felt that has the NACF felt of bionical enzyme catalyst to become by load that publication number 2530802 discloses, and the modified zeolite of Application No. 20010012820 disclosures or molecular sieve etc., all belong to this type of.Yet above-mentioned remover does not form change color after using, and the user can't learn has be eliminated actually for how much formaldehyde.In addition, the product that some remover and formolite reaction form may be poisonous, easily causes secondary pollution, and may cause damage to handling article such as furniture surface.
Can eliminate the related art scheme of multiple pernicious gas by contrast reports less in the literature.The purifying agent for harmful gases of being made up of main purificant and auxiliary cleanser that Chinese patent publication number 86103860 discloses and the pernicious gas remover based on special composite catalyst of publication number 1445327 disclosures belong to this type of.Yet above-mentioned remover does not form change color after using, and the user can't learn has be eliminated actually for how many pernicious gases.
U.S. Patent number 4517111 has disclosed a kind of alkaline holder after being handled by permanganate, and the materials such as formaldehyde in can absorbed air also with it oxidation reaction take place and reach the purpose of eliminating formaldehyde.Alkaline holder after permanganate is handled is mauve, change to some extent with color behind the formolite reaction of abundant amount (blackening, turn white or other variation), thereby the user can know that this kind holder has lost the activity that formaldehyde is eliminated in absorption, needs replacing by change color.Yet the alkaline holder in this patent is made up of magnesium hydroxide and calcium hydroxide, does not contain loose structure, gases such as only surperficial energy absorbing formaldehyde, thereby eliminate limited in one's ability.Change color behind the substance reactions such as the remover that is obtained by this patented method and formaldehyde is not obvious in addition, and regularity is (depend on the gas and the reaction condition that are eliminated, can produce blackening, turn white or other variation) by force not, makes troubles to the user during use.
Purpose of the present invention is exactly the deficiency that exists at above-mentioned prior art, a kind of new visual type pernicious gas remover is proposed, this pernicious gas remover has powerful seizure, absorption and elimination aldehydes, the benzene class, Ammonia, VOC and hydrogen sulfide such as ketone, sulfur dioxide, reproducibility pernicious gases such as carbon monoxide, and change these pernicious gases into tasteless nontoxic material by oxidation reaction, make visual type pernicious gas remover that change color from the redness to the brown takes place regularly simultaneously, the change color degree is directly proportional with the amount of cancellation of pernicious gas.
The content of invention
A kind of visual type pernicious gas remover of the present invention is to handle acquisition by porous carrier through permanganate under alkali condition.Porous carrier can be solid silicone, molecular sieve, zeolite, aluminium oxide, the calcium chloride material with good adsorption function, can be powder, can also be rule or irregular particle, and porous carrier can also be a filter paper in addition.Permanganate is the alkali metal salt of permanganic acid, is best with potassium permanganate.Alkali condition is to be provided and kept by potassium hydroxide, NaOH, bicarbonate, phosphate, borate or ammonium chloride-ammonia spirit, and the pH scope is 7 to 14, and optimum range is 10 to 12.The ratio of permanganate consumption and porous carrier (weight ratio) scope is 1: 1, and 000,000 to 1: 5, optimum range was 1: 100 to 1: 20.
The preparation method of visual type pernicious gas remover of the present invention comprises the following step: permanganate is dissolved in the alkaline solution, soaks into porous carrier, and vacuum drying afterwards, sealing is preserved.
Visual type pernicious gas remover of the present invention can be made into bulk or graininess, and be packaged into different product forms such as box-like, peviform, bag shape, tubulose, be positioned among the vessel of wall perforate, can also be positioned in the pocket of making as (but being not limited to) nonwoven, fiber cloth with the material of good permeability, the outside seals with air-locked material such as masking foil.During use, Kaifeng is placed on to need to eliminate in the environment of pernicious gas, place in the automobile as (but being not limited to), in the cabinet, in the drawer, indoor, desk is first-class, to catch, absorption and elimination aldehydes, the benzene class, Ammonia, VOC and hydrogen sulfide such as ketone, sulfur dioxide, reproducibility pernicious gases such as carbon monoxide, and change these pernicious gases into tasteless nontoxic material by oxidation reaction, change color from the redness to the brown takes place in visual type pernicious gas remover regularly simultaneously, and the change color depth degree is directly proportional with the amount of cancellation of pernicious gas.
Advantage of the present invention is to have adopted the porous carriers that possesses the good adsorption function, have powerful seizure, absorption and eliminate the ability of multiple pernicious gas, and produce significantly well-regulated change color from the redness to the brown simultaneously eliminating pernicious gas, inform whether the user has and have how many pernicious gases to be eliminated.And the present invention uses simply, and Kaifeng allows the pernicious gas remover be exposed to air ambient for clearance and gets final product, and operation such as do not need to spray, be coated with, spill; The product of pernicious gas and permanganate is stayed on the porous carrier and is abandoned subsequently, does not cause secondary pollution.Another big advantage of the present invention is that product preparation process is simple, operation easily, and cost is low, is suitable for large-scale commercial applications production and application.
The specific embodiment
Example one,
Dissolving 4g KMnO
4, 0.5g NaHCO
3In the water of 100ml, taking by weighing 100 gram silica gel soaks wherein, 30 minutes final vacuum dryings, graininess that takes on a red color after 4 hours or block, be packaged among the vessel of wall perforate, can also be positioned in the pocket of making as (but being not limited to) nonwoven, fiber cloth with the material of good permeability, the outside seals with air-locked material such as masking foil.To be positioned in the indoor or cabinet of formaldehyde behind the above-mentioned gained carrier Kaifeng, behind the certain hour, carrier becomes brown by redness, and it is saturated to illustrate that the carrier absorbing formaldehyde gas reaches.
Example two,
Dissolving 4g KMnO
4In the NaOH of 0.1M solution, take by weighing 100 gram silica gel and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned in the automobile of formaldehyde, behind the certain hour, becomes brown as carrier by redness, and it is saturated to illustrate that the carrier absorbing formaldehyde gas reaches.
Example three,
Dissolving 4g KMnO
4In the NaOH of 0.1M solution, take by weighing 200 gram molecules sieve and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3Content of formaldehyde is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, and content of formaldehyde is 0ppm in the testing environment once more.
Example four,
Dissolving 4g KMnO
4In the NaOH of 0.1M solution, take by weighing 100 gram carriers and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3Benzene content is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, and benzene content is 15ppm in the testing environment once more.
Example five,
Dissolving 4g KMnO
4In the NaOH of 0.1M solution, take by weighing 100 gram carriers and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3NH
3Content is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, once more NH in the testing environment
3Content is 25ppm.
Example six,
Dissolving 4g KMnO
4In the NaOH of 0.1M solution, take by weighing 100 gram carriers and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3CO content is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, and CO content is 2ppm in the testing environment once more.
Example seven,
Dissolving 4g KMnO
4In the NaOH of 0.1M solution, take by weighing 100 gram carriers and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3H
2S content is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, once more H in the testing environment
2S content is 5ppm.
Example eight,
Dissolving 4g KMnO
4In the NaOH of 0.1M solution, take by weighing 150 gram zeolites and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3Content of formaldehyde is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, and content of formaldehyde is 0ppm in the testing environment once more.
Example nine,
Dissolving 4g KMnO
4In the Mg of 0.05M (OH)
2In the solution, take by weighing 300 gram CaCl
2Soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3Content of formaldehyde is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, and content of formaldehyde is 0ppm in the testing environment once more.
Example ten,
Dissolving 4g KMnO
4In the KOH of 0.05M solution, take by weighing 100 gram silica gel and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3Content of formaldehyde is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, and content of formaldehyde is 0ppm in the testing environment once more.
Example 11,
Dissolving 4g KMnO
4KHCO in 0.05M
3In the solution, take by weighing 100 gram silica gel and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3Content of formaldehyde is in the 1000ppm environment, and after 5 days, the carrier major part becomes brown by redness, and content of formaldehyde is 0ppm in the testing environment once more.
Example 12,
Dissolving 4g KMnO
4KHCO in 0.05M
3In the solution, take by weighing 100 gram silica gel and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3Content of formaldehyde is in the 1000ppm environment, and after 1 day, the carrier small part becomes brown by redness, and content of formaldehyde is 500ppm in the testing environment once more.
Example 13,
Dissolving 4g KMnO
4KHCO in 0.05M
3In the solution, take by weighing 100 gram silica gel and soak wherein, 30 minutes final vacuum dryings were taken out after 4 hours.Above-mentioned gained carrier is positioned over 1000cm
3Content of formaldehyde is in the 1000ppm environment, and after 3 days, carrier part becomes brown by redness, and content of formaldehyde is 100ppm in the testing environment once more.
Claims (8)
1. visual type pernicious gas remover and preparation method thereof, it is characterized in that: visual type pernicious gas remover is handled acquisition by porous carrier through permanganate under alkali condition.
2. a kind of visual type pernicious gas remover according to claim 1 and preparation method thereof is characterized in that: described permanganate is the alkali metal salt of permanganic acid, is best with potassium permanganate.
3. a kind of visual type pernicious gas remover according to claim 1 and preparation method thereof, it is characterized in that: described alkali condition is to be provided and kept by potassium hydroxide, NaOH, bicarbonate, phosphate, borate, ammonium chloride-ammonia spirit, the pH scope is 7 to 14, and optimum range is 10 to 12.
4. a kind of visual type pernicious gas remover according to claim 1 and preparation method thereof, it is characterized in that: described porous carrier can be the powder of solid silicone, molecular sieve, zeolite, aluminium oxide, calcium chloride or rule, irregular particle, or filter paper.
5. according to claim 1,4 described a kind of visual type pernicious gas removers and preparation method thereof, it is characterized in that: ratio (weight ratio) scope of described permanganate consumption and porous carrier is 1: 1,000,000 to 1: 5, optimum range was 1: 100 to 1: 20.
6. a kind of visual type pernicious gas remover according to claim 1 and preparation method thereof, it is characterized in that: the preparation method of described pernicious gas remover is for to be dissolved in permanganate in the alkaline solution, soak into porous carrier, vacuum drying afterwards, sealing is preserved.
7. a kind of visual type pernicious gas remover according to claim 1 and preparation method thereof, it is characterized in that: described pernicious gas remover product can be made bulk, graininess, and be packaged into the different product form of box-like, peviform, bag shape, tubulose, Kaifeng is placed in the environment that need to eliminate pernicious gas, as in the automobile, in the cabinet, in the drawer, indoor.
8. a kind of visual type pernicious gas remover according to claim 1 and preparation method thereof, it is characterized in that: described visual type pernicious gas remover can seizure, adsorb aldehydes, benzene class, Ammonia, ketone VOC and hydrogen sulfide, sulfur dioxide, carbon monoxide class reproducibility pernicious gas, and change these pernicious gases into tasteless nontoxic material by oxidation reaction, change color from the redness to the brown takes place in visual type pernicious gas remover simultaneously, and the change color depth degree is directly proportional with the amount of cancellation of pernicious gas.
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| CNB2004100166253A CN100563793C (en) | 2004-02-27 | 2004-02-27 | Visual type pernicious gas remover and preparation method thereof |
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| CNB2004100166253A CN100563793C (en) | 2004-02-27 | 2004-02-27 | Visual type pernicious gas remover and preparation method thereof |
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| CN1660477A true CN1660477A (en) | 2005-08-31 |
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| CN102227495A (en) * | 2008-11-27 | 2011-10-26 | 罗伯特·博世有限公司 | Device for removing components of operating fluid for motor vehicles |
| CN102233257A (en) * | 2010-04-27 | 2011-11-09 | 无锡百奥科环境科技有限公司 | Hospital formaldehyde pollution scavenger and its preparation method |
| CN102527228A (en) * | 2011-12-31 | 2012-07-04 | 南京亿谱环境服务有限公司 | Novel visible color change formaldehyde scavenger |
| CN102657890A (en) * | 2012-05-16 | 2012-09-12 | 胡昕 | Novel visual color change indication deodorant |
| CN103271026A (en) * | 2013-05-28 | 2013-09-04 | 姜堰市澳华生物科技有限公司 | Potassium permanganate compound granule and production method thereof |
| CN103399010A (en) * | 2013-08-28 | 2013-11-20 | 烟台迪康环境科技有限公司 | Manufacturing method of color-changeable formaldehyde detection board |
| CN103801180A (en) * | 2012-11-12 | 2014-05-21 | 镇江新元素医药科技有限公司 | Air purifier |
| CN104084034A (en) * | 2014-07-21 | 2014-10-08 | 南京大学 | Air purifying material for removing formaldehyde in air, as well as preparation method and using method of air purifying material |
| CN104316516A (en) * | 2014-09-28 | 2015-01-28 | 烟台大学 | Chromic material for detecting reductive gas |
| CN104931432A (en) * | 2015-06-30 | 2015-09-23 | 苏州东辰林达检测技术有限公司 | Carbon oxysulfide detection reagent and preparation method thereof |
| CN106582531A (en) * | 2016-12-30 | 2017-04-26 | 广州博能能源科技有限公司 | Compound air purifier, preparation method of compound air purifier, and air purifying device |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3957059A (en) * | 1975-02-10 | 1976-05-18 | Philip Morris Incorporated | Smoking product and process |
| US4517111A (en) * | 1984-01-16 | 1985-05-14 | The Dow Chemical Company | Absorbents for airborne formaldehyde |
| US6004522A (en) * | 1993-12-15 | 1999-12-21 | Purafil, Inc. | Solid filtration media incorporating elevated levels of permanganate and water |
| CN1381210A (en) * | 2001-12-31 | 2002-11-27 | 海南可菲尔生物科技有限公司 | Ethylene absorbent |
| CN1162210C (en) * | 2002-03-04 | 2004-08-18 | 中国科学院长春应用化学研究所 | Process for preparing filtering agent of potential controlled electrolysis-type CO gas sensor |
-
2004
- 2004-02-27 CN CNB2004100166253A patent/CN100563793C/en not_active Expired - Fee Related
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| CN102227495A (en) * | 2008-11-27 | 2011-10-26 | 罗伯特·博世有限公司 | Device for removing components of operating fluid for motor vehicles |
| CN102233257A (en) * | 2010-04-27 | 2011-11-09 | 无锡百奥科环境科技有限公司 | Hospital formaldehyde pollution scavenger and its preparation method |
| CN102527228A (en) * | 2011-12-31 | 2012-07-04 | 南京亿谱环境服务有限公司 | Novel visible color change formaldehyde scavenger |
| CN102527228B (en) * | 2011-12-31 | 2015-11-18 | 南京亿谱环境服务有限公司 | A kind of formaldehyde scavenger of visible color change |
| CN102657890B (en) * | 2012-05-16 | 2015-01-07 | 胡昕 | Novel visual color change indication deodorant |
| CN102657890A (en) * | 2012-05-16 | 2012-09-12 | 胡昕 | Novel visual color change indication deodorant |
| CN103801180A (en) * | 2012-11-12 | 2014-05-21 | 镇江新元素医药科技有限公司 | Air purifier |
| CN103271026A (en) * | 2013-05-28 | 2013-09-04 | 姜堰市澳华生物科技有限公司 | Potassium permanganate compound granule and production method thereof |
| CN103271026B (en) * | 2013-05-28 | 2014-08-06 | 泰州市澳华生物科技有限公司 | Potassium permanganate compound granule and production method thereof |
| CN103399010B (en) * | 2013-08-28 | 2015-09-30 | 烟台迪康环境科技有限公司 | A kind of preparation method of formaldehyde examination plate of changeable colour |
| CN103399010A (en) * | 2013-08-28 | 2013-11-20 | 烟台迪康环境科技有限公司 | Manufacturing method of color-changeable formaldehyde detection board |
| CN104084034A (en) * | 2014-07-21 | 2014-10-08 | 南京大学 | Air purifying material for removing formaldehyde in air, as well as preparation method and using method of air purifying material |
| CN104084034B (en) * | 2014-07-21 | 2016-04-27 | 南京大学 | A kind of material for air purification, its preparation method and using method removing formaldehyde in air |
| CN104316516A (en) * | 2014-09-28 | 2015-01-28 | 烟台大学 | Chromic material for detecting reductive gas |
| CN104931432A (en) * | 2015-06-30 | 2015-09-23 | 苏州东辰林达检测技术有限公司 | Carbon oxysulfide detection reagent and preparation method thereof |
| CN106582531A (en) * | 2016-12-30 | 2017-04-26 | 广州博能能源科技有限公司 | Compound air purifier, preparation method of compound air purifier, and air purifying device |
| CN106582531B (en) * | 2016-12-30 | 2019-01-25 | 广州博能能源科技有限公司 | A kind of composite air purifying agent and preparation method thereof and air cleaning unit |
| CN113287784A (en) * | 2021-06-25 | 2021-08-24 | 云南中烟工业有限责任公司 | Cigarette filter particles capable of reducing release amount of hydrogen sulfide in smoke, preparation method and filter |
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Effective date of registration: 20110406 Address after: 214072 Jiangsu province Wuxi City Liyuan Development Zone, Road No. 100 building No. 2 building 1004 room 530 Patentee after: Wuxi Yosemite Environmental Protection Technology Co., Ltd. Address before: 214062, room 3, dormitory 201, Department of grain, Binhu District, Jiangsu, Wuxi Patentee before: Yu Xiaohong |
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