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Soc Pour Lextraction Integrale Et Economique De Lor Procede De Rigau
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Soc Pour Lextraction Integrale Et Economique De Lor Procede De Rigau
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Priority to ES18157ApriorityCriticalpatent/ES18157A1/es
Publication of ES18157A1publicationCriticalpatent/ES18157A1/es
Procedimiento para la extracción del oro y de la plata de sus minerales y de cualesquiera productos auríferos y argentíferos por medio de aparatos apropiados.