Piero Luigi Ferretti

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Villanuova Sul Clisi, IT

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Patents Grantslast 30 patents

Information Patent Grant
Valve system with differentiated flow rates to be combined into bat...
- Patent number 6,199,590
- Issue date Mar 13, 2001
- Metal Works S.p.A.
- Piero Luigi Ferretti
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...