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"LI QUNSHENG"
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"LI QUNSHENG"
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141
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Self-control brush for cleaning
by
QUNSHENG LI
Year of Publication
14.01.1998
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142
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PRODUCTION DEVICE AND PRODUCTION METHOD OF ELECTRONIC GRADE HYDROGEN PEROXIDE AQUEOUS SOLUTION
by
LI
,
Qunsheng
Year of Publication
14.01.2021
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143
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PRODUCTION DEVICE AND PRODUCTION METHOD OF ELECTRONIC GRADE HYDROFLUORIC ACID
by
LI
,
Qunsheng
Year of Publication
14.01.2021
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144
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Telephone controlling electric appliance
by
ZHONGWEI LI
,
YING WEI
,
QUNSHENG LI
Year of Publication
14.02.2001
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145
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Energy-saving and emission-reducing system for chemical separation and purification process
by
LI QUNSHENG
Year of Publication
16.05.2023
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146
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Automatic sulfurous acid gold salt synthesis reactor, reaction system and process
by
LI QUNSHENG
Year of Publication
09.09.2022
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147
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Production system, production method and application of universal high-purity chemicals
by
LI QUNSHENG
Year of Publication
06.09.2022
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148
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Mechanized and automatic efficient gold sodium sulfite gold water production system and method
by
LI QUNSHENG
Year of Publication
02.09.2022
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149
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Method for producing high-purity silicon tetrachloride through joint of adsorption, rectification and photoreaction
by
LI QUNSHENG
Year of Publication
16.08.2022
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150
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Production method of high-purity quartz
by
LI QUNSHENG
Year of Publication
02.08.2022
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151
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Production device and production process for extracting lithium from brine through efficient adsorption method
by
LI QUNSHENG
Year of Publication
29.07.2022
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152
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Two-stage MVR (mechanical vapor recompression) single-effect forced circulation evaporation production device and method for salt-containing wastewater
by
LI QUNSHENG
Year of Publication
22.07.2022
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153
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Production device and production process of electronic-grade isopropanol
by
LI QUNSHENG
Year of Publication
15.07.2022
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154
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System and process for preparing epichlorohydrin by glycerol method
by
LI QUNSHENG
Year of Publication
15.07.2022
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155
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Device and method for producing electronic grade trichlorosilane through combination of rectification, adsorption and membrane separation
by
LI QUNSHENG
Year of Publication
12.07.2022
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156
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Process for separating and refining rare gas
by
LI QUNSHENG
Year of Publication
12.07.2022
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157
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Preparation method of lithium carbonate
by
LI QUNSHENG
Year of Publication
12.07.2022
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158
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Device and method for producing electronic grade ethanol by combining rectification and membrane separation
by
LI QUNSHENG
Year of Publication
08.07.2022
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159
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Continuous production and preparation system of electronic-grade disilane and production process thereof
by
LI QUNSHENG
Year of Publication
08.07.2022
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160
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Production device and method for co-production of electronic-grade nitric acid and industrial-grade nitric acid
by
LI QUNSHENG
Year of Publication
05.07.2022
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