TREA

Celso A. Barbosa

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  • Sao Paulo, BR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hard alloys
    • Patent number 4,224,060
    • Issue date Sep 23, 1980
    • Acos Villares S.A.
    • Marcos H. C. de Souza
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents