Katsuji Yamamoto

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Suita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing crushed sands from blast furnace water gra...
- Patent number 4,268,295
- Issue date May 19, 1981
- Nakayama Steel Works, Limited
- Katsuji Yamamoto
- C21 - METALLURGY OF IRON