TREA

Wilhelm Zimmermann

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  • Hamburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Prefabricated aeration block for silo bases
    • Patent number 4,411,113
    • Issue date Oct 25, 1983
    • Claudius Peters AG
    • Wilhelm Zimmermann
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL