CN103667896B - A kind of tensile wear-resistant alloy steel material and preparation method thereof for pump valve - Google Patents
A kind of tensile wear-resistant alloy steel material and preparation method thereof for pump valve Download PDFInfo
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- CN103667896B CN103667896B CN201310546770.1A CN201310546770A CN103667896B CN 103667896 B CN103667896 B CN 103667896B CN 201310546770 A CN201310546770 A CN 201310546770A CN 103667896 B CN103667896 B CN 103667896B
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- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000007670 refining Methods 0.000 claims abstract description 18
- 238000005275 alloying Methods 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 9
- 239000010955 niobium Substances 0.000 claims abstract description 9
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 7
- 239000011572 manganese Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 4
- 239000010936 titanium Substances 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- 238000010792 warming Methods 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 7
- 229910000805 Pig iron Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012467 final product Substances 0.000 claims description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000023556 desulfurization Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 3
- 239000010977 jade Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 3
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 3
- 229910052901 montmorillonite Inorganic materials 0.000 claims description 3
- 229910021392 nanocarbon Inorganic materials 0.000 claims description 3
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 3
- 235000010333 potassium nitrate Nutrition 0.000 claims description 3
- 239000004323 potassium nitrate Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 229910000077 silane Inorganic materials 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000010456 wollastonite Substances 0.000 claims description 3
- 229910052882 wollastonite Inorganic materials 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Abstract
A kind of pump valve tensile wear-resistant alloy steel material, chemical element composition and mass percent thereof that it contains are: carbon 0.2-0.4, silicon 1.3-1.5, manganese 0.3-0.6, vanadium 0.6-0.8, niobium 0.05-0.07, titanium 0.7-0.9, Bi0.9-1.2, Yb0.01-0.02, S≤0.04, P≤0.04, surplus are iron. In the present invention's composition, contain the multiple elements such as alloying element Yb, niobium, Bi, strengthen steel alloy intensity, improve toughness, improved resistance to impact and mar proof, made that this kind of steel alloy has that intensity is high, the feature such as good toughness, shock-resistant, wear-resistant, long service life. Steel alloy of the present invention is applicable to the parts of working in strong abrasion environment, and as pump truck tank body, carrier pipe etc., cost is lower, long service life; Refining agent of the present invention is for Foundry Production, and the degree of porosity in foundry goods reduces 1-2 degree, and oxide inclusion is 2 grades of left and right.
Description
Technical field
The present invention relates to metal material preparation field, relate in particular to a kind of pump valve tensile wear-resistant alloy steel material and preparation method thereof.
Background technology
The environment of pump valve work is various, badly, very high to the requirement of material, the steel alloy that pump valve is used at present has varied, technology has very much progress, but still have a lot of problems to exist, as wearability, hardness, rustless property, decay resistance, high and low temperature resistance, fragility, toughness etc., can't meet the requirement of production in a lot of occasions, also require further improvement, to enhance productivity, reduce costs, improve security, for high-quality precision and sophisticated technology development provides safeguard, for social development provides power, task is also very arduous.
Summary of the invention
The object of the present invention is to provide a kind of pump valve tensile wear-resistant alloy steel material and preparation method thereof, this alloy material has that intensity is high, good toughness, shock-resistant, anti abrasive advantage.
Technical scheme of the present invention is as follows:
A kind of pump valve tensile wear-resistant alloy steel material, is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 0.2-0.4, silicon 1.3-1.5, manganese 0.3-0.6, vanadium 0.6-0.8, niobium 0.05-0.07, titanium 0.7-0.9, Bi0.9-1.2, Yb0.01-0.02, S≤0.04, P≤0.04, surplus are iron.
The production method of tensile wear-resistant alloy steel material for described pump valve, is characterized in that:
(1), preparing the pig iron and scrap iron originates as ferrous substrate in 1:1-2 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, then add scrap iron fusing, add refining agent double refining, detection and adjust chemical element component content to qualified, casting, casting after-baking etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) silicon, manganese; (2) vanadium, niobium; (3) other residual components; The each batch of time interval of dropping into element is 18-22 minute, after feeding intake, stirs.
Described casting after-baking is: be first warming up to 500-510 DEG C by room temperature with 230-240 DEG C/h of speed, insulation 70-80 minute, be warming up to 750-760 DEG C with 200-210 DEG C/h of speed again, insulation 70-80 minute, be warming up to 910-925 DEG C with 170-180 DEG C/h of speed again, insulation 3-4 hour; Be cooled to 600-610 DEG C with 160-170 DEG C/h of speed again, then be warming up to 710-720 DEG C with 170-180 DEG C/h of speed, then be cooled to 500-510 DEG C with 150-160 DEG C/h of speed, insulation 70-80 minute; Be cooled to 220-230 DEG C with 140-150 DEG C/h of speed again, insulation 2-3 hour; Be warming up to 300-310 DEG C with 230-240 DEG C/h of speed again, then be cooled to 200-210 DEG C with 150-160 DEG C/h of speed, then be warming up to 520-530 DEG C with 200-210 DEG C/h of speed, insulation 2-3 hour, takes out air cooling and get final product.
Described refining agent is made up of the raw material of following weight portion: instrument comminuted steel shot 30-34, bamboo charcoal 3-5, citric acid 2-3, calcium oxide 4-5, natural wollastonite 2-3, nano titanium oxide 1-2, tri-iron tetroxide 3-4, potassium dihydrogen phosphate 2-3, jade powder 3-4, montmorillonite 1-2, sodium nitrate 3-4, potassium nitrate 2-3; Preparation method mixes each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15Mpa, be pressed into base, then, at 900-950 DEG C, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain final product.
Beneficial effect of the present invention
In the present invention's composition, contain the multiple elements such as alloying element Yb, niobium, Bi, strengthen steel alloy intensity, improve toughness, improved resistance to impact and mar proof, made that this kind of steel alloy has that intensity is high, the feature such as good toughness, shock-resistant, wear-resistant, long service life. Steel alloy of the present invention is applicable to the parts of working in strong abrasion environment, and as pump truck tank body, carrier pipe etc., cost is lower, long service life; The present invention uses part scrap iron as raw material, and through double refining, makes more stable uniform of quality. Refining agent of the present invention is for Foundry Production, and the degree of porosity obviously improving in yield rate, particularly foundry goods reduces 1-2 degree, can not produce pore at cast(ing) surface, and trapped oxide also obviously reduces, and oxide inclusion is 2 grades of left and right.
Detailed description of the invention
A kind of pump valve tensile wear-resistant alloy steel material, chemical element composition and mass percent thereof that it contains are: carbon 0.2-0.4, silicon 1.3-1.5, manganese 0.3-0.6, vanadium 0.6-0.8, niobium 0.05-0.07, titanium 0.7-0.9, Bi0.9-1.2, Yb0.01-0.02, S≤0.04, P≤0.04, surplus are iron.
Described pump valve is as follows by the production method of tensile wear-resistant alloy steel material:
(1), preparing the pig iron and scrap iron originates as ferrous substrate in 1:1.5 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, then add scrap iron fusing, add refining agent double refining, detection and adjust chemical element component content to qualified, casting, casting after-baking etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) silicon, manganese; (2) vanadium, niobium; (3) other residual components; The each batch of time interval of dropping into element is 20 minutes, after feeding intake, stirs.
Described casting after-baking is: be first warming up to 505 DEG C by room temperature with 235 DEG C/h of speed, be incubated 75 minutes, then be warming up to 755 DEG C with 205 DEG C/h of speed, be incubated 75 minutes, then be warming up to 916 DEG C with 175 DEG C/h of speed, be incubated 3.5 hours; Be cooled to 605 DEG C with 165 DEG C/h of speed again, then be warming up to 715 DEG C with 175 DEG C/h of speed, then be cooled to 505 DEG C with 155 DEG C/h of speed, be incubated 75 minutes; Be cooled to 225 DEG C with 145 DEG C/h of speed again, be incubated 2.5 hours; Be warming up to 305 DEG C with 235 DEG C/h of speed again, then be cooled to 205 DEG C with 155 DEG C/h of speed, then be warming up to 525 DEG C with 205 DEG C/h of speed, be incubated 2.5 hours, take out air cooling and get final product.
Described refining agent by following weight portion (kilogram) raw material make: instrument comminuted steel shot 32, bamboo charcoal 4, citric acid 2.5, calcium oxide 4.5, natural wollastonite 2.5, nano titanium oxide 1.5, tri-iron tetroxide 3.5, potassium dihydrogen phosphate 2.5, jade powder 3.5, montmorillonite 1.5, sodium nitrate 3.5, potassium nitrate 2.5; Preparation method mixes each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 150 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2.5%, 1.5% nano-carbon powder, after mixing, under 12Mpa, be pressed into base, then, at 930 DEG C, calcine 3.5 hours, cooling after, then be ground into 200 order powder, to obtain final product.
Pump valve of the present invention by the mechanical performance of tensile wear-resistant alloy steel material is: hot strength 1380MPa, yield strength 923MPa, percentage elongation 15.4%, the contraction percentage of area 34%, impact absorbing energy 55.2J, impact flexibility 65.1J/cm2, hardness 275HB.
Claims (1)
1. a pump valve tensile wear-resistant alloy steel material, is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 0.2-0.4, silicon 1.3-1.5, manganese 0.3-0.6, vanadium 0.6-0.8, niobium 0.05-0.07, titanium 0.7-0.9, Bi0.9-1.2, Yb0.01-0.02, S≤0.04, P≤0.04, surplus are iron;
Described pump valve by the production method of tensile wear-resistant alloy steel material is: (1), the preparation pig iron and scrap iron are originated as ferrous substrate in 1:1-2 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying component and carry out alloying, then add scrap iron fusing, add refining agent double refining, detection and adjust chemical element component content to qualified, casting, casting after-baking; (2) in alloying process, to the lot sequence that drops into alloying element in stove be: (1) silicon, manganese; (2) vanadium, niobium; (3) other residual components; The each batch of time interval of dropping into element is 18-22 minute, after feeding intake, stirs;
Described casting after-baking is: be first warming up to 500-510 DEG C by room temperature with 230-240 DEG C/h of speed, insulation 70-80 minute, be warming up to 750-760 DEG C with 200-210 DEG C/h of speed again, insulation 70-80 minute, be warming up to 910-925 DEG C with 170-180 DEG C/h of speed again, insulation 3-4 hour; Be cooled to 600-610 DEG C with 160-170 DEG C/h of speed again, then be warming up to 710-720 DEG C with 170-180 DEG C/h of speed, then be cooled to 500-510 DEG C with 150-160 DEG C/h of speed, insulation 70-80 minute; Be cooled to 220-230 DEG C with 140-150 DEG C/h of speed again, insulation 2-3 hour; Be warming up to 300-310 DEG C with 230-240 DEG C/h of speed again, then be cooled to 200-210 DEG C with 150-160 DEG C/h of speed, then be warming up to 520-530 DEG C with 200-210 DEG C/h of speed, insulation 2-3 hour, takes out air cooling and get final product;
Described refining agent is made up of the raw material of following weight portion: instrument comminuted steel shot 30-34, bamboo charcoal 3-5, citric acid 2-3, calcium oxide 4-5, natural wollastonite 2-3, nano titanium oxide 1-2, tri-iron tetroxide 3-4, potassium dihydrogen phosphate 2-3, jade powder 3-4, montmorillonite 1-2, sodium nitrate 3-4, potassium nitrate 2-3; Preparation method mixes each raw material, is heated to molten condition, then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15MPa, be pressed into base, then, at 900-950 DEG C, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310546770.1A CN103667896B (en) | 2013-11-07 | 2013-11-07 | A kind of tensile wear-resistant alloy steel material and preparation method thereof for pump valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310546770.1A CN103667896B (en) | 2013-11-07 | 2013-11-07 | A kind of tensile wear-resistant alloy steel material and preparation method thereof for pump valve |
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| CN103667896A CN103667896A (en) | 2014-03-26 |
| CN103667896B true CN103667896B (en) | 2016-05-04 |
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| CN104565485A (en) * | 2014-12-31 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Heat and corrosion resistant flexible sealing gate valve and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06287638A (en) * | 1993-04-02 | 1994-10-11 | Toa Steel Co Ltd | Production of wear resistant bar steel |
| JP2002060896A (en) * | 2000-08-24 | 2002-02-28 | Nisshin Steel Co Ltd | Steel sheet for mower blade |
| CN101660106A (en) * | 2009-09-10 | 2010-03-03 | 洛阳瑞图机械有限公司 | Wear-resistant high-ductility vanadium, niobium and rare earth alloy steel liner plate and manufacture technology |
| CN102994906A (en) * | 2012-09-29 | 2013-03-27 | 铜陵国方水暖科技有限责任公司 | Preparation method of ball valve body |
| CN103060704A (en) * | 2013-02-03 | 2013-04-24 | 马丁青 | Preparation method of low-alloy high-wear-resistance cast steel |
-
2013
- 2013-11-07 CN CN201310546770.1A patent/CN103667896B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06287638A (en) * | 1993-04-02 | 1994-10-11 | Toa Steel Co Ltd | Production of wear resistant bar steel |
| JP2002060896A (en) * | 2000-08-24 | 2002-02-28 | Nisshin Steel Co Ltd | Steel sheet for mower blade |
| CN101660106A (en) * | 2009-09-10 | 2010-03-03 | 洛阳瑞图机械有限公司 | Wear-resistant high-ductility vanadium, niobium and rare earth alloy steel liner plate and manufacture technology |
| CN102994906A (en) * | 2012-09-29 | 2013-03-27 | 铜陵国方水暖科技有限责任公司 | Preparation method of ball valve body |
| CN103060704A (en) * | 2013-02-03 | 2013-04-24 | 马丁青 | Preparation method of low-alloy high-wear-resistance cast steel |
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Effective date of registration: 20170811 Address after: Liu Jia Tan Village of Baoying County in Jiangsu province Yangzhou city Jing Town 225802 Patentee after: Jiangsu Julang Pumps and Valves Co., Ltd. Address before: 241000 Yijiang high tech Development Zone, Anhui City, the third floor of the creative incubator Patentee before: ANHUI ZHIHUI ELECTRICAL TECHNOLOGY CO., LTD. |
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Effective date of registration: 20170816 Address after: Liu Jia Tan Village of Baoying County in Jiangsu province Yangzhou city Jing Town 225802 Patentee after: Jiangsu Julang Pumps and Valves Co., Ltd. Address before: 241000 Yijiang high tech Development Zone, Anhui City, the third floor of the creative incubator Patentee before: ANHUI ZHIHUI ELECTRICAL TECHNOLOGY CO., LTD. |
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Granted publication date: 20160504 Termination date: 20181107 |
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