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HH{dot over (a)}kan Engqvist

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Patents Grantslast 30 patents

  • Information Patent Grant

    Hydraulic cements, methods and products
    • Patent number 8,709,149
    • Issue date Apr 29, 2014
    • OssDsign AB
    • HH{dot over (a)}kan Engqvist
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES