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Inventor
Zheng Ian (Yichen)
CN
2 patents
Patents
2 patents
US10683403B2
Jun 16, 2020
Polyurethane composite material and process of preparing same
COVESTRO DEUTSCHLAND AG
3 citations
69
US10344130B2
Jul 9, 2019
Polyurethane composite material and process of preparing same
COVESTRO DEUTSCHLAND AG
4 citations
69