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Robert Hirsch

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  • Ingelheim, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas-fired heating apparatus
    • Patent number 7,252,052
    • Issue date Aug 7, 2007
    • Ceramat, S.Coop.
    • Alexander Groehl
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

  • Information Patent Application

    Gas-fired heating apparatus
    • Publication number 20050175951
    • Publication date Aug 11, 2005
    • Alexander Groehl
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES