Giorgio A. Grandi

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Bologna, IT

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Patents Grantslast 30 patents

Information Patent Grant
Spinning and twisting device
- Patent number 4,104,857
- Issue date Aug 8, 1978
- Fratelli Marzoli & C. S.p.A.
- Giorgio A. Grandi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING