Francesco Amici

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Rome, IT

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic syphon with pneumatic reflux
- Patent number 4,254,934
- Issue date Mar 10, 1981
- Francesco Amici
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Siphon with pressure priming and pneumatic reflux
- Patent number 3,973,751
- Issue date Aug 10, 1976
- Maria Brugnoli
- E03 - WATER SUPPLY SEWERAGE