Richard Alves

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Braga, PT

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Patents Grantslast 30 patents

Information Patent Grant
Piston ring for a piston of an internal combustion engine, and a me...
- Patent number 9,067,286
- Issue date Jun 30, 2015
- Mahle International GmbH
- Daniel Lopez
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR