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Individual
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Individual
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Priority to ES91460ApriorityCriticalpatent/ES91460A1/en
Publication of ES91460A1publicationCriticalpatent/ES91460A1/en
ES91460A1924-11-131924-11-13
A procedure for the treatment of "mispickels" minerals with total recovery of constitution materials.
ExpiredES91460A1
(en)
A procedure for the washing of coals, minerals and other similar matters, with the corresponding apparatus, a self-separating stream of water, to carry it out.
A procedure for the washing of coals, minerals and other similar matters, with the corresponding device, a self-separating stream of water, to carry it out.