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Zhimiao Yu
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Shanghai, CN
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last 30 patents
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Patent Grant
Fragrant liquefied petroleum gas composition and the method of prep...
Patent number
4,844,713
Issue date
Jul 4, 1989
Fragrant Liquefied Butane Gas Producing Company
Zhimiao Yu
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...