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Herbert Rihm

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  • Hanau, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary valve
    • Patent number 4,073,473
    • Issue date Feb 14, 1978
    • Honeywell G.m.b.H.
    • Herbert Rihm
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...