Jean Coupry

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Courblerie, FR

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Patents Grantslast 30 patents

Information Patent Grant
Aluminum alloy
- Patent number 4,069,072
- Issue date Jan 17, 1978
- Pechiney Ugine Kuhlmann
- Roger Develay
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...