Fujio Ishikawa

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Anjo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Clip-clinching device for a coil-spring unit of a mattress
- Patent number 4,845,824
- Issue date Jul 11, 1989
- Aisin Seiki Kabushiki Kaisha
- Fujio Ishikawa
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...