TREA

Ake Nilsson

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  • Bromolla, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sewer system
    • Patent number 6,243,887
    • Issue date Jun 12, 2001
    • EVAC International Oy
    • Björn von Varfalva Palffy
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Waste tank for a vacuum sewage system
    • Patent number 5,002,592
    • Issue date Mar 26, 1991
    • Oy Wartsila AB
    • Lennart Stroby
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Vacuum sewage system
    • Patent number 4,865,631
    • Issue date Sep 12, 1989
    • Oy Wartsila AB
    • Lennart Stroby
    • B64 - AIRCRAFT AVIATION COSMONAUTICS