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Individual
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Individual
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Priority to ES42757ApriorityCriticalpatent/ES42757A1/es
Publication of ES42757A1publicationCriticalpatent/ES42757A1/es
ES42757A1908-02-181908-02-18Un procedimiento para extraer estaño de los desperdicios de hoja de lata y otros productos que contienen estaño.
ExpiredES42757A1
(es)
Un procedimiento con su aparato correspondiente para la recuperación de la bencina y demás productos volátiles que se desprenden durante ciertas operaciones industriales.