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Inventor

Li qun-fang

CN2 patents
⚠️ This page may combine multiple inventors who share the name “Li qun-fang”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AIR LIQUIDE

1 patent

L'AIR LIQUIDE SA POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE

1 patent