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Inventor

OUYANG YING

CN12 patents
⚠️ This page may combine multiple inventors who share the name “OUYANG YING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHINA PETROLEUM & CHEM CORP

8 patents

CHINA PETROLEUM & CHEMICAL

2 patents

PROCTER & GAMBLE

1 patent

LONG JUN

1 patent