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Francois Weisang
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Antony, FR
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Patents Grants
last 30 patents
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Patent Grant
Tundish for continuous casting of steel
Patent number
5,054,749
Issue date
Oct 8, 1991
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Francois Weisang
B22 - CASTING POWDER METALLURGY
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Patent Grant
Process and installation for protecting a jet of molten metal for c...
Patent number
4,460,409
Issue date
Jul 17, 1984
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Serge Devalois
B22 - CASTING POWDER METALLURGY