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Yoshio Kurata

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  • Kofu, Yamanashi, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing hammer
    • Patent number 4,047,278
    • Issue date Sep 13, 1977
    • Yoshio Kurata
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hammer for sheet metal
    • Patent number 3,961,519
    • Issue date Jun 8, 1976
    • Yoshio Kurata
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...