ES146217A1 - Un procedimiento para obtener un producto curtiente a base de sales de hierro, para la preparación de cueros y pieles al curtido mineral al hierro.
- Google Patents
Un procedimiento para obtener un producto curtiente a base de sales de hierro, para la preparación de cueros y pieles al curtido mineral al hierro.
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Rojo Amenos Ernesto
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Rojo Amenos Ernesto
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Priority to ES146217ApriorityCriticalpatent/ES146217A1/es
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ES146217A1939-09-251939-09-25Un procedimiento para obtener un producto curtiente a base de sales de hierro, para la preparación de cueros y pieles al curtido mineral al hierro.
ExpiredES146217A1
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