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Sakae Yamada

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Monitoring system for screw compressor
    • Patent number 4,502,833
    • Issue date Mar 5, 1985
    • Hitachi, Ltd.
    • Yozo Hibino
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...