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SKW la Roche de Rame Sas
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La Roche de Rame, FR
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Patent Grant
Method for eliminating bismuth from molten lead by adding calcium-m...
Patent number
6,840,980
Issue date
Jan 11, 2005
SKW la Roche de Rame Sas
Cyprien Maugras
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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