Giovanni Sironi

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Osnago, IT

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Patents Grantslast 30 patents

Information Patent Grant
Screw type extruder with flow chambers externally and internally of...
- Patent number 4,859,068
- Issue date Aug 22, 1989
- Societa Cavi Pirelli S.p.A.
- Giovanni Sironi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL