TREA

Deutsche Filterbau GmbH

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  • Dusseldorf, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for calcining limestone
    • Patent number 4,854,861
    • Issue date Aug 8, 1989
    • Deutsche Filterbau GmbH
    • Winfried G. Hartweck
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Process for cleaning filter elements
    • Patent number 4,692,173
    • Issue date Sep 8, 1987
    • Deutsche Filterbau GmbH
    • Hans Roos
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

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