Silvio Brignoli

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Monteggio, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming work-pieces by drop forging
- Patent number 4,671,095
- Issue date Jun 9, 1987
- Eumuco Aktiengesellschaft fur Maschinenbau
- Silvio Brignoli
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...