Keiji Kubo

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Wakayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacture of blast furnace cokes containing substantial...
- Patent number 4,318,779
- Issue date Mar 9, 1982
- Sumikin Coke Company Ltd.
- Michio Tsuyuguchi
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...