TREA

Christoph Holliger

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  • Boniswil, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilation device
    • Patent number 7,028,752
    • Issue date Apr 18, 2006
    • Fensterfabrik Albisrieden AG
    • Sandor Palffy
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Ventilation device
    • Publication number 20030089492
    • Publication date May 15, 2003
    • Sandor Palffy
    • F28 - HEAT EXCHANGE IN GENERAL