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Inventor

YANG XUEFENG

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

WANG YI

1 patent

CHILWEE POWER CO LTD

1 patent

PETROCHINA CO LTD

1 patent

UNIV CHINA MINING

1 patent