TREA

Nippon Piston Ring Kabushiki Kaisha

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  • Toyota, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary air pump or compressor with flexible end sealing plates
    • Patent number 4,061,446
    • Issue date Dec 6, 1977
    • Nippon Piston Ring Kabushiki Kaisha
    • Hiroshi Sakamaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry air rotary pump or compressor
    • Patent number 4,050,855
    • Issue date Sep 27, 1977
    • Nippon Piston Ring Kabushiki Kaisha
    • Hiroshi Sakamaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

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