Guangdong, CN
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SHENGYI TECHNOLOGY CO., LTD.
Songgang Chai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Application
SHENGYI TECHNOLOGY CO., LTD.
Wei LIANG
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Application
Shengyi Technology Co., Ltd.
Songgang CHAI
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
