CN101999381A - Emamectin benzoate thiodicarb insecticide - Google Patents
Emamectin benzoate thiodicarb insecticide Download PDFInfo
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Abstract
The invention relates to an emamectin benzoate thiodicarb insecticide, comprising effective active ingredients, auxiliaries and solvents or fillers and is characterized in that the effective active ingredients account for 10-90% of the finished drug in percentage by weight and are composed of emamectin benzoate and thiodicarb in weight ratio of 1:10-80. The insecticide has the advantages that the emamectin benzoate and the thiodicarb are compounded, thereby having obvious synergia and continuous control effects; the insecticidal spectrum is expanded, and the insecticide has higher activity on lepidoptera injurious insects, such as tryporyza incertulas, chilo suppressalis, and cnaphalocrocis medinalis for rice, brassicaceous vegetable plutella xylostella, cabbage caterpillar, beet armyworms, prodenia litura, cotton bollworms for cottons, pectinophora gossypiella and the like; the dosage of the insecticide is lowered, the residual quantity of the insecticide in crops and soils is reduced, environmental contamination is lightened; and the insecticide is safe to people and livestock, has good environmental compatibility and is difficult to generate resistance to drugs for the injurious insects.
Description
Technical field:
The invention belongs to the agricultural chemicals of control pest, relating to a kind of effective active composition is the composite insecticide of emamectin-benzoate and the two prestige of sulphur.
Background technology:
Chemical pesticide is the effective means of prevention and elimination of disease and pests.Popular in disease especially, effectively preventing measure especially when insect pest breaks out.Along with the development of Chinese national economy and the raising of living standards of the people, national health consciousness and environmental consciousness strengthen day by day, and the requirement of pollution-free food is also grown with each passing day.It is more and more high to use the harmless boilogical agricultural chemicals to replace traditional height to poison the cry of the medicine of learning to farm, and the environment protection biological agricultural chemicals becomes the research and development focus for the moment.That biopesticide has is nontoxic, free from environmental pollution to the person poultry safety, not killed natural enemies and beneficial organism, do not influence remarkable advantages such as crops quality, won people's trust and high praise gradually.But all also there are some shortcomings in they, and drug effect reaction is slower, do not possess that the chemical pesticide consumption is few, the advantage of instant effect, when running into sudden and crushing damage by disease and insect, and unbearable especially important task.This just provides good market opportunity for marginal biochemical Recompounded pesticide.Biochemical Recompounded pesticide is novel dose that biopesticide and chemical pesticide are composited by a certain percentage, and is more efficient than biopesticide than chemical pesticide low toxicity, but it is to the person poultry safety, compatible with ecology, thereby representing the developing direction of Pesticidal products.
Emamectin-benzoate, English common name emamectinbenzoate; Trade name Proclaim ο R (banleptm).Be a kind of new and effective semisynthetic antibiotics insecticide that begins to synthesize from fermented product Avermectin B1, to the double again action of contace poison of the existing stomach poison function of insect.Its mechanism of action is to strengthen neurotic effect as glutamic acid and γ one aminobutyric acid (GABA), thereby make a large amount of chlorions enter nerve cell, make the cell function forfeiture, upset nerve conduction, larva stops feed at once after contact, irreversible paralysis takes place, and reaches the highest lethality rate in 3-4 days.It has super-high-efficient, low toxicity (preparation is closely nontoxic), noresidue, the nuisanceless characteristics that wait biopesticide, improved 1-3 the order of magnitude than parent compound abamectin pest killing activity, active high to Lepidoptera, diptera, mite class and other many insects has good effect under low-down dosage.
The two prestige of sulphur, English common name thiodicarb; Chemical name is 3,7,9,13-tetramethyl-5,11-two oxa-s-2,8,14-three thias-4,7,9,12-four azepine pentadecanes-3,12-diene-6,10-diketone, other title: La Weiyin.Be a kind of double carbamate insecticides, insect based on stomach poison function, is had concurrently action of contace poison, do not have stifling and systemic action, stronger selectivity is arranged, the longevity of residure is very short in soil.Its mechanism of action is neural inhibition, hinders by acetylcholine esterase inhibition activity promptly that the activate again of transmitter causes insect to be poisoned to death in the nerve fibre.It can kill ovum, also can kill larva and adult.Its ovicidal activity is higher, shows as three aspects: (1) soup contacts unhatched ovum, can stop the hatching of ovum or the larva after the hatching can not grow to 2 ages promptly dead; (2) can not hatch with the ovum of interior product in 3 days after the dispenser and maybe can not finish children's phase and grow; Can kill newly hatched larvae effectively because of chewing egg membrane when (3) going out shell after the ovum hatching.Aged larva is big because of food ingestion, and this medicine also can reach very high larva effect extremely equally.Owing to introduced thioether bond in the structure of the two prestige of sulphur, therefore,, also had higher insecticidal activity to being the resistant insect strain of detoxifcation mechanism with the oxidative metabolism.The two prestige of sulphur have special efficacy to lepidoptera pest, and ovicidal action is arranged, and also can be used for preventing and treating coleoptera, diptera and Hymenoptera insect in addition.Be applicable to insects such as control cotton bollworm, pink bollworm, leaf rollers, heart-eating worm class, cabbage caterpillar, agrotis, prodenia litura, tomato moth, striped rice borer, leaf-roller, potato tuberworm, the thin moth of tea, tea olethreutid such as cotton, fruit tree, vegetables, paddy rice and economic crops.
Summary of the invention:
The objective of the invention is to: at using the two prestige pest controls of emamectin-benzoate and sulphur at present separately, dosage is bigger, cost is higher, reuses the practical problem that insect easily produces resistance, and a kind of composite emamectin-benzoate sulphur Quickbal worm agent is provided.Because emamectin-benzoate is different fully to the mechanism of action of target pest with the two prestige of sulphur, both composite uses can fully improve the performance of drug effect, improve insecticidal effect, reduce dosage, reduce cost, and delay the generation of pest resistance.
The object of the present invention is achieved like this: the two prestige compounded pesticides of a kind of emamectin-benzoate sulphur, comprise effective active component, auxiliary agent and solvent or inserts, it is characterized in that: the percentage by weight that the effective active composition accounts in the finished product medicament is 10～90%, the effective active composition is made up of emamectin-benzoate and the two prestige of sulphur, and the weight proportion of the two prestige of emamectin-benzoate and sulphur is 1: 10～80.
The percentage by weight that the compounded pesticides that the present invention relates to, auxiliary agent account in the finished product medicament is 5～30%, and the percentage by weight that solvent or filling auxiliary material account in the finished product medicament is 5～75%.In the effective active composition, the weight proportion of the two prestige of emamectin-benzoate and sulphur also can be 1: 10～50.
The auxiliary agent that the present invention relates to is for producing wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the conventional auxiliary agent that uses during effervescent tablet; The filling auxiliary material that relates to is for producing wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the routine of using during effervescent tablet is filled auxiliary material; The solvent that relates to is organic solvent or water.The formulation that relates to is the effective active composition with corresponding auxiliary agent, fills the wetting powder that auxiliary material or solvent are produced, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or effervescent tablet.
The invention has the advantages that: after the two prestige of emamectin-benzoate and sulphur are composite, have notable synergistic and lasting control efficiency; Enlarged insecticidal spectrum, lepidoptera pests such as paddy rice paddy stem borer, striped rice borer, leaf-roller, brassicaceous vegetable diamond-back moth, cabbage caterpillar, beet armyworm, prodenia litura, cotton cotton bollworm, pink bollworm have been had greater activity; Reduce the dosage of agricultural chemicals, reduced the residual quantity of agricultural chemicals in crop and soil, alleviated environmental pollution; , insect good to person poultry safety, Environmental compatibility is difficult for developing immunity to drugs.
Embodiment:
In each of the embodiments described below, the former medicine of emamectin-benzoate is produced by Zhejiang Hisun Chemical Co., Ltd; The two former medicines of prestige of sulphur are produced by Jiangsu Changlong Chemical Co.
Embodiment 1,
The preparation of the two prestige water dispersible granules (WG) of 72% first dimension sulphur (weight proportion of the two prestige of emamectin-benzoate and sulphur 1: 35):
Auxiliary agent is selected: wetting agent DT886 or EFW or LS; Dispersant MS or DT51 or D425.
Filler is selected: kaolin, precipitated calcium carbonate.
Disintegrant: anhydrous sodium sulfate, natrium carbonicum calcinatum, ammonium sulfate.
Binding agent: glucose.
Each component is got the raw materials ready according to percentage by weight:
The two prestige of sulphur: 70%; Emamectin-benzoate: 2%; Dispersant MS or DT51 or D425:3-12%; Wetting agent DT886 or LS or EFW:2-6%; Disintegrant anhydrous sodium sulfate or natrium carbonicum calcinatum or ammonium sulfate: 2-5%; Binding agent: glucose 0.5-2%; Filler kaolin or precipitated calcium carbonate: surplus.
Preparation process: with sulphur two prestige TC, emamectin-benzoate TC, add dispersant, wetting agent, disintegrant, binding agent more successively, be filled to 100% with kaolin or precipitated calcium carbonate then, above-mentioned mixing of materials is even, carry out comminution by gas stream, be mixed again even after, add water 10-15% and mix; Make through extruding or its prilling process granular, whole again grain oven dry water dispersant.
Embodiment 2,
The preparation of the two prestige aqueous suspension agents (SC) of 41% first dimension sulphur (weight proportion of the two prestige of emamectin-benzoate and sulphur 1: 40):
Auxiliary agent is selected: agricultural newborn 33#, or agricultural newborn 500#, or agricultural newborn 601#, or EFW.
Stabilizing agent: BHT.
Thickener: CMC, XG.
Defoamer: organic silicone.
Antifreezing agent: ethylene glycol.
Solvent is selected: water.
Each component is got the raw materials ready according to percentage by weight:
The two prestige of sulphur: 40%; Emamectin-benzoate: 1%; EFW:1-3%; The newborn 33# of farming or agricultural newborn 500# or agricultural newborn 601# or EFW:3-7%; Stabilizing agent BHT:1-5%; Thickener CMC or XG:0.2-1%; Antifreezing agent: ethylene glycol: 1-3%; Defoamer: organic silicone: 0.5-2%; Water: mend to 100%; Make composition suspending agent.
Preparation process: will place reactor according to the above ratio by the two prestige TC of sulphur, emamectin-benzoate TC, EFW, agricultural newborn 33# or agricultural newborn 500# or agricultural newborn 601# or EFW, BHT, CMC or XG, ethylene glycol, organic silicone, water adds to 100% and mixes, and mixture being introduced be milled to the material fineness in the sand mill again is 1-5um; After milling again the allotment mix aqueous suspension agent.
Embodiment 3,
The preparation of the two prestige wetting powders (WP) of 78% first dimension sulphur (weight proportion of the two prestige of emamectin-benzoate and sulphur 1: 25):
Auxiliary agent is selected: DT801, DT802, MS, BX, LS, NNO.
Filler is selected: kaolin, precipitated calcium carbonate.
Each component is got the raw materials ready according to percentage by weight:
The two prestige of sulphur: 75%; Emamectin-benzoate: 3%; Wetting dispersing agent DT801 or DT802:5-10% (also available MS or NNO:3-8%; Wetting agent BX or LS:2-7%); Filler: kaolin or precipitated calcium carbonate; Make composition after comminution by gas stream mixes again wetting powder.
Preparation process: the two prestige TC of sulphur, emamectin-benzoate TC, DT801 or DT802 (also available MS or NNO; Wetting agent BX or LS), place blender according to the above ratio, be filled to 100% with kaolin or precipitated calcium carbonate.After all materials mix in blender, pulverize through airslide disintegrating mill, mix once more wetting powder.
Embodiment 4,
The preparation of the two prestige effervescent tablets of 52% first dimension sulphur (weight proportion of the two prestige of emamectin-benzoate and sulphur 1: 25):
Auxiliary agent is selected: dispersant MS or NNO, profit wetting agent BX or LS.
Acid effervescent agent: citric acid.
Alkalescence effervescent agent: natrium carbonicum calcinatum.
Disintegrant: aluminium chloride.
Binding agent: starch or glucose.
Filler is selected: kaolin or precipitated calcium carbonate.
Each component is got the raw materials ready according to percentage by weight:
The two prestige of sulphur: 50%; Emamectin-benzoate: 2%; Dispersant MS or NNO:4-12%; Profit wetting agent BX or LS:2-6%; Disintegrant aluminium chloride: 2-8%; Acid effervescent agent: 4-10%; Alkalescence effervescent agent: 4-10%; Adhesive starch or glucose: 3-5%; Filler kaolin or precipitated calcium carbonate: add to 100%; Make the composition effervescent tablet.
Preparation process:
The two prestige TC of sulphur, emamectin-benzoate TC, MS or NNO, BX or LS, aluminium chloride, acid effervescent agent, alkaline effervescent agent, starch or glucose, place blender according to the above ratio, be filled to 100% with kaolin or precipitated calcium carbonate: after all materials mix in blender, pulverize through airslide disintegrating mill, mix once more, again can the cost agent through mechanical presses.
Embodiment 5,
Toxicity Determination
For trying insect: used striped rice borer is the pieces of an egg of gathering in the rice seedling bed of Gaochun County, Nanjing, Jiangsu Province, at the ant snout moth's larva of indoor feeding 1 age in days.
Tested medicine: the two former medicines of prestige of former medicine of emamectin-benzoate and sulphur were by 1: 25,1: 35,1: 40 composite (composite voluntarily);
Drugs compared: the two former medicines of prestige of sulphur, the former medicine of emamectin-benzoate.
Assay method: infusion process.
The two prestige of sulphur and emamectin-benzoate respectively with after acetone and the DMF dissolving, are added cumulative volume 5%Triton-100, mixing respectively, water be diluted to respectively 5 series concentration for reagent liquid.Prepare 10% acetone+1%DMF+ emulsifier TritonX X100 (0.1%) mother liquor, with 500 times of distilled water dilutings as blank solution.Measure with the soup infusion process, rice seedling is immersed 15 seconds taking-up airings in the soup, connect 20 of worms, in 28 ± 2 ℃ of thermostatic chambers, 48h investigates dead borer population behind medicine, the calculation correction lethality.Calculate co-toxicity coefficient according to the method that (1960) such as Sun Yunpei propose.Co-toxicity coefficient is synergistic effect greater than 120, and co-toxicity coefficient is summation action between 80～120, and co-toxicity coefficient is an antagonism less than 80, carries out the pharmacy effect evaluation as standard.
Indoor synergism test result (table 1) shows, the two former medicines of prestige of former medicine of emamectin-benzoate and sulphur by 1: 25,1: 35,1: 40 composite after, to the indoor increased activity of striped rice borer, the co-toxicity coefficient of three proportionings shows significant synergistic effect all greater than 120.
The two different proportioning 48h with emamectin-benzoate of prestige of table 1 sulphur are to the synergy measurement result of striped rice borer
Embodiment 6,
The test of the two prestige WP control of 78% first dimension sulphur diamond-back moth
Experimental period: on April 25th, 2010 carried out in academy of agricultural sciences, Jiangsu Province cabbage field.
Experiment medicine: tie up the two prestige WP (1: 25) of sulphur by 78% first that embodiment 3 provides;
Drugs compared: 1% emamectin-benzoate EC, Jiangsu Dongbao Pesticide Chemical Co., Ltd. produces; The two prestige WP of 75% sulphur, Jiangsu chemical industry Co., Ltd of auspicious nation produces.
Field control effectiveness test: adopt the anti-therapy of spraying.In the phase dispenser of diamond-back moth low instar larvae, convert water 45Kg even spraying by every mu of consumption, every sub-district 20m
2, be a processing, 4 repetitions are established in each processing, and establish guard row.1 day, 3 days, 7 days investigation life or death borer populations calculate control efficiency behind the medicine.
The two prestige WP control of table 278% first dimension sulphur diamond-back moth field test results
Field test results (table 2) shows: 1 day control efficiency to diamond-back moth is respectively 78.21%, 82.11%, 87.31% after two prestige WP mu consumption 20 grams of 78% first dimension sulphur, 25 grams, the 30 gram dispensers; 3 days control efficiency to diamond-back moth are respectively 85.42%, 89.71%, 92.44% after the dispenser; 7 days control efficiency to diamond-back moth are respectively 87.55%, 92.18%, 96.48% after the dispenser.1 day, 3 days, the 7 days control efficiency to diamond-back moth are respectively 76.33%, 84.45%, 88.17% after the 1% emamectin-benzoate EC mu consumption 80ml dispenser of contrast medicament; 1 day, 3 days, the 7 days control efficiency to diamond-back moth are respectively 56.87%, 64.32%, 78.23% behind the two prestige WP mu consumption 50 gram medicines of another contrast medicament 75% sulphur.Draw two prestige WP mu consumptions 25 grams of 78% first dimension sulphur thus, 30 grams are better than two contrast medicaments to the control efficiency of diamond-back moth.
Embodiment 7,
The test of the two prestige WG control of 72% first dimension sulphur three generations rice leaf roller
Experimental period: contracted in the paddy field of family on August 1st, 2009 and carry out in Jiangning District Tang Shan town, Nanjing one
Experiment medicine: tie up the two prestige WG (1: 35) of sulphur by 72% first that embodiment 1 provides
Drugs compared: the special SC of 5% sharp strength, du pont company production.
Field control effectiveness test: adopt the anti-therapy of spraying.In rice leaf roller 1 instar larvae peak period dispenser, each single agent and composite dose are converted 40 kilograms of even spraying of water by the mu consumption, be that blank is handled with the spray clear water.Every sub-district area 30m
2, be a processing, 4 repetitions are established in each processing, and each is handled the minizone and separates with the little ridge, and establishes guard row, and the sub-district adopts at random district's group to arrange.Adopted 5 samplings of parallel jump method in 15 days after dispenser, residual borer population alive is looked in investigation leaf roll number and stripping, calculates control efficiency.
Insecticidal effect:
Behind the medicine 15 days, 72% first dimension sulphur two prestige WG mu consumption 25g, 30g, 35g insecticidal effect were respectively 87.34%, 89.38%, 94.04%, and the insecticidal effect of the special SC mu of contrast medicament 5% sharp strength consumption 40ml is 85.49%.The result shows that the two prestige WG of 72% first dimension sulphur are all showing favorable effect (seeing Table 3) under the amount of reagent to the three generations rice leaf roller.
Protect the leaf effect:
Behind the medicine 15 days, the two prestige WG mu consumption 25g of 72% first dimension sulphur, 30g, 35g protected the leaf effect and are respectively 90.19%, 91.87%, 97.00%; It is 90.05% that the special SC mu of contrast medicament 5% sharp strength consumption 40ml protects the leaf effect.Show that the two prestige WG of 72% first dimension sulphur are being higher than contrast medicament (seeing Table 3) for protecting the leaf effect under the amount of reagent.
The two prestige WG control of table 372% first dimension sulphur three generations rice leaf roller field test results
Embodiment 8,
The test of the two prestige SC control of 41% first dimension sulphur prodenia litura
Experimental period: on September 15th, 2009 carried out in academy of agricultural sciences, Jiangsu Province cabbage field.
Experiment medicine: tie up the two prestige SC (1: 40) of sulphur by 41% first that embodiment 2 provides.
Drugs compared: 5% emamectin-benzoate WG, Shandong Heng Feng chemistry Co., Ltd produces.
Field control effectiveness test: adopt the anti-therapy of spraying.In the peak period dispenser of prodenia litura first-instar young, convert water 45Kg even spraying by every mu of consumption, every sub-district 20m
2, be a processing, 4 repetitions are established in each processing, and establish guard row.7 days, 15 days investigation life or death borer populations calculate control efficiency behind the medicine.
The two prestige SC control of table 441% first dimension sulphur wild cabbage prodenia litura field test results
Field test results (table 4) shows: 7 days control efficiency to diamond-back moth are respectively 90.93%, 93.67%, 94.07% after 41% first dimension sulphur two prestige SC mu consumption 60ml, 80ml, the 100ml dispenser; 15 days control efficiency to diamond-back moth are respectively 89.80%, 93.73%, 96.17% after the dispenser, and 7 days, the 15 days control efficiency to diamond-back moth are respectively 91.13% and 91.17% after the 5% emamectin-benzoate WG mu consumption 10g dispenser of contrast medicament.Therefore, the two prestige SC of 41% first dimension sulphur are having very high control efficiency under the amount of reagent to diamond-back moth.
The various embodiments described above are not to concrete restriction of the present invention, during concrete enforcement, the weight proportion of the two prestige of effective active composition emamectin-benzoate and sulphur can be selected between 1: 10～80, described auxiliary agent can be for producing wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the conventional auxiliary agent of effervescent tablet; Described filling auxiliary material can be the production wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the routine of effervescent tablet is filled auxiliary material; Described solvent is organic solvent or water; The formulation that the formulation that relates to is not limited to exemplify among the embodiment.
Claims (5)
1. two prestige compounded pesticides of an emamectin-benzoate sulphur, comprise effective active component, auxiliary agent and solvent or inserts, it is characterized in that: the percentage by weight that the effective active composition accounts in the finished product medicament is 10～90%, the effective active composition is made up of emamectin-benzoate and the two prestige of sulphur, and the weight proportion of the two prestige of emamectin-benzoate and sulphur is 1: 10～80.
2. the two prestige compounded pesticides of emamectin-benzoate sulphur according to claim 1 is characterized in that: in the effective active composition, the weight proportion of the two prestige of emamectin-benzoate and sulphur is 1: 10～50.
3. the two prestige compounded pesticides of emamectin-benzoate sulphur according to claim 1, it is characterized in that: the percentage by weight that auxiliary agent accounts in the finished product medicament is 5～30%, the percentage by weight that solvent or filling auxiliary material account in the finished product medicament is 5～75%.
4. the two prestige compounded pesticides of emamectin-benzoate sulphur according to claim 3, it is characterized in that: described auxiliary agent is the production wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the conventional auxiliary agent that uses during effervescent tablet; Described filling auxiliary material is for producing wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or the routine of using during effervescent tablet is filled auxiliary material; Described solvent is organic solvent or water.
5. according to the two prestige compounded pesticides of the described emamectin-benzoate sulphur of one of claim 1～4, it is characterized in that: the formulation of the two prestige compounded pesticides of emamectin-benzoate sulphur is a wetting powder, or water dispersible granules, or aqueous suspension agent, or suspension emulsion, or effervescent tablet.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103004821A (en) * | 2012-12-26 | 2013-04-03 | 海利贵溪化工农药有限公司 | Insecticidal composition containing thiodicarb and spinosad |
| CN106942247A (en) * | 2017-04-21 | 2017-07-14 | 扬州大学 | Emamectin-benzoate effervescent tablet and preparation method thereof |
| CN108432785A (en) * | 2018-06-13 | 2018-08-24 | 惠州市欧野科技有限公司 | A kind of composition pesticide for tieing up rhzomorph and thiodicarb containing day |
| CN113396900A (en) * | 2021-05-20 | 2021-09-17 | 潍坊海邦化工有限公司 | Thiodicarb aqueous suspension and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103004821A (en) * | 2012-12-26 | 2013-04-03 | 海利贵溪化工农药有限公司 | Insecticidal composition containing thiodicarb and spinosad |
| CN106942247A (en) * | 2017-04-21 | 2017-07-14 | 扬州大学 | Emamectin-benzoate effervescent tablet and preparation method thereof |
| CN108432785A (en) * | 2018-06-13 | 2018-08-24 | 惠州市欧野科技有限公司 | A kind of composition pesticide for tieing up rhzomorph and thiodicarb containing day |
| CN113396900A (en) * | 2021-05-20 | 2021-09-17 | 潍坊海邦化工有限公司 | Thiodicarb aqueous suspension and preparation method thereof |
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| CN101999381B (en) | 2013-11-27 |
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