Luiz N. Benitez

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Sao Paulo, BR

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Patents Grantslast 30 patents

Information Patent Grant
Method for the manufacture of piston ring inserts by a powder metal...
- Patent number 4,547,336
- Issue date Oct 15, 1985
- Meal Leve S.A. Industria e Comercio
- Duraid Mahrus
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...