Groenkloof, Pretoria 0181, Transvaal, ZA
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Patent Grant
Iscor Limited
Roelof J. Mostert
C21 - METALLURGY OF IRON
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Patent Grant
Thomas B. Beeton
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
