Masao Miyata

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Kawasaki, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process and apparatus for preparation of thin walled cylindrical ve...
- Patent number 3,945,231
- Issue date Mar 23, 1976
- Toyo Seikan Kaisha Limited
- Katsuhiro Imazu
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...