TREA

Osby, Varme AB

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Patents Grantslast 30 patents

  • Information Patent Grant

    Hot water or steam boiler
    • Patent number 4,171,685
    • Issue date Oct 23, 1979
    • Osby Varme AB
    • Finn U. Ek
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Hot water or steam boiler
    • Patent number 4,123,995
    • Issue date Nov 7, 1978
    • Osby, Varme AB
    • Finn U. Ek
    • F24 - HEATING RANGES VENTILATING