Haruma Tanaka

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Patents Grantslast 30 patents

Information Patent Grant
Poly-V pulley formed of sheet metal and method and apparatus for ma...
- Patent number 4,697,445
- Issue date Oct 6, 1987
- Honda Giken Kogyo Kabushiki Kaisha
- Haruma Tanaka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...