Takashi Tomizawa

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of forming and feeding torsion springs
- Patent number 4,524,596
- Issue date Jun 25, 1985
- Fuji Photo Film Co., Ltd.
- Yuzo Tsunekawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...