Ottavio Trevisan

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for periodically testing the operation of safety valves
- Patent number 4,428,223
- Issue date Jan 31, 1984
- Furmanite International Limited
- Ottavio Trevisan
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...