Airton Aparecido Chignolli

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Jundiai, BR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing pistons and components thereof, and forging...
- Patent number 7,213,337
- Issue date May 8, 2007
- ThyssenKrupp Automotive AG
- Antônio José de Araújo Pôrto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...