Wilhelm Fringes

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Menden, DE

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Patents Grantslast 30 patents

Information Patent Grant
Valve arrangement
- Patent number 4,660,601
- Issue date Apr 28, 1987
- R. & G. Schmoele Metallwerke GmbH & Co. KG
- Ulrich Dirksmeier
- F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS