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Marc Calmes
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Luxembourg, LU
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last 30 patents
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Patent Grant
Apparatus for dewatering slag sand
Patent number
5,248,420
Issue date
Sep 28, 1993
Paul Wurth S.A.
Marc Calmes
C21 - METALLURGY OF IRON
Information
Patent Grant
Device for regulating the delivery of hot air in a tuyere stock of...
Patent number
4,588,168
Issue date
May 13, 1986
Paul Wurth S.A.
Pierre Mailliet
C21 - METALLURGY OF IRON
Information
Patent Grant
Process and apparatus for granulation of slag
Patent number
4,494,971
Issue date
Jan 22, 1985
Paul Wurth S.A.
Guido Monteyne
C21 - METALLURGY OF IRON