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Herbert Frisch

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  • Schelmenstrasse, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piezoelectric valve
    • Patent number 6,173,744
    • Issue date Jan 16, 2001
    • Hygrama AG
    • Herbert Frisch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...