ES22671A1 - Mejoras en los aparatos amalgamadores para tratar las gangas auríferas y argentinas, y sus similares, extrayéndoles los metales que contengan.
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Mejoras en los aparatos amalgamadores para tratar las gangas auríferas y argentinas, y sus similares, extrayéndoles los metales que contengan.
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ES22671A1898-05-181898-05-18Mejoras en los aparatos amalgamadores para tratar las gangas auríferas y argentinas, y sus similares, extrayéndoles los metales que contengan.
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Modificaciones introducidas en el aparato para resolver mecánicamente las operaciones del tanto por ciento o por mil llamado "Aritmocrético Palou".