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Inventor

YU YONGSHENG

CN4 patents
⚠️ This page may combine multiple inventors who share the name “YU YONGSHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV CENTRAL SOUTH

2 patents

BEIJING SJ ENVIRONMENTAL PROT & NEW MATERIAL CO LTD

1 patent

LIU ZHENYI

1 patent