Tsae-Shycm Lee

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Chia-Yi, TW

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Patents Grantslast 30 patents

Information Patent Grant
Semi-synthetic two-stroke engine oil formulation
- Patent number 5,498,353
- Issue date Mar 12, 1996
- Chinese Petroleum Corp.
- Ron-Sheng Lin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...