Klaus Stefaniak

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Olefen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Shut-off fittings with a sealing device
- Patent number 5,238,252
- Issue date Aug 24, 1993
- Eisenwerk Heinrich Schilling GmbH & Co.
- Wilhelm Stewen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...