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Poivret Louis
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Poivret Louis
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Priority to ES5655ApriorityCriticalpatent/ES5655A1/es
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ES5655A1886-01-291886-01-29Aparatos destinados a la preparación mecánica de toda clase de minerales preciosos por medio de la atracción molecular.
ExpiredES5655A1
(es)
Un procedimiento para separar las partículas de hierro de las sustancias o mezclas que lo contengan, por medio del aparato electro-magnético separador que se describe.
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.