TREA

Helmut Beer

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  • Berlin, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Radial turbo-machine with disc diffusor
    • Patent number 4,824,323
    • Issue date Apr 25, 1989
    • Borsig GmbH
    • Hartmut Griepentrog
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...