Kerstin Polhaus

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Hagen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Switchover valve
- Patent number 5,190,077
- Issue date Mar 2, 1993
- Friedrich Grohe Armaturenfabrik GmbH & Co.
- Manfred Pawelzik
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...