TREA

Haga Engineering AS

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  • Oslo, NO
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotating heat pump
    • Patent number 5,901,568
    • Issue date May 11, 1999
    • Haga Engineering AS
    • Johan Haga
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...