Conrad Frey

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Zurich-Seefeld, CH

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Patents Grantslast 30 patents

Information Patent Grant
Pressure damper and silencer, in particular for connections of sani...
- Patent number 7,497,233
- Issue date Mar 3, 2009
- Conrad Frey
- Jakob W. Egli
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...