Yasuhiro Kiyonaga

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous coal slurry composition
- Patent number 4,470,828
- Issue date Sep 11, 1984
- Kao Corporation
- Masaaki Yamamura
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...