Florida, Transvaal, ZA
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Patent Grant
Anglo-Transvaal Consolidated Investment Company Limited
Willem Hubert Pittie
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Patent Grant
Swarsab Mining, Exploration & Development Company (Proprietary) Limited
Willem H. Pittie
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
