Yuzo Kawamura

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Otsu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing reinforced block material of metal or the like
- Patent number 4,958,678
- Issue date Sep 25, 1990
- Yugenkaisha Idearesearch
- Yuzo Kawamura
- B22 - CASTING POWDER METALLURGY