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Inventor

LIU SIJUN

CN3 patents
⚠️ This page may combine multiple inventors who share the name “LIU SIJUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNIV IOWA STATE RES FOUND INC

1 patent

CHENGDU BANKNOTE PRINTING CO LTD

1 patent

YANG XU

1 patent