TREA

Ake Stigebrandt

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  • SE-440 30 Marstrand, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary piston engine
    • Patent number 6,241,499
    • Issue date Jun 5, 2001
    • Ake Stigebrandt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES