David Dupe

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La Tessoualle, FR

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Patents Grantslast 30 patents

Information Patent Grant
Pressure equalizing valve
- Patent number 8,984,673
- Issue date Mar 24, 2015
- Raccords et Plastiques Nicoll
- Jean-Pierre Serin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Pressure equalizing valve
- Publication number 20120204333
- Publication date Aug 16, 2012
- Jean-Pierre Serin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...