TREA

Heilmann & Littmann Bau-Aktiengesellschaft

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  • Munich, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dam of earth or rock fill having impervious core
    • Patent number 4,090,363
    • Issue date May 23, 1978
    • Heilmann & Littmann, Bau-Aktiengesellschaft
    • Franz List
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Clarification plant
    • Patent number 4,045,355
    • Issue date Aug 30, 1977
    • Heilmann & Littmann Bau-Aktiengesellschaft
    • Josef Schleich
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

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