Akio Yamada

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Ogaki City, Gifu-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Bit for electric drills
- Patent number 4,145,159
- Issue date Mar 20, 1979
- Akio Yamada
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...