Sylvian Witzke

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Sauvigny Les Bois, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for melting an electroconductive material in a cold crucibl...
- Patent number 5,563,904
- Issue date Oct 8, 1996
- Tecphy
- Pascal Colpo
- B22 - CASTING POWDER METALLURGY