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Haruma Tanaka
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Saitama, JP
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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...