Tadao Hishinuma

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing shape strips of metals
- Patent number 5,174,363
- Issue date Dec 29, 1992
- Dowa Mining Co., Ltd.
- Masahiro Furo
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...