TREA

Ralf Ludwig

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  • Sennwald, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Arrangement for laying rail
    • Patent number 5,361,986
    • Issue date Nov 8, 1994
    • Hilti Aktiengesellschaft
    • Peter Meier
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
  • Information Patent Grant

    Device for supporting rails
    • Patent number 5,346,131
    • Issue date Sep 13, 1994
    • Hilti Aktiengesellschaft
    • Peter Meier
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES