TREA

Dietmar Wettengl

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  • Cologne, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for purifying waste water
    • Patent number 4,462,903
    • Issue date Jul 31, 1984
    • Buckau-Walther Aktiengesellschaft
    • Dietmar Wettengl
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE