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Individual
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Individual
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Priority to ES21722ApriorityCriticalpatent/ES21722A2/es
Publication of ES21722A2publicationCriticalpatent/ES21722A2/es
ES21722A1897-11-131897-11-13Un procedimiento para sustituir en absoluto el fósforo en la fabricación de fósforos y cerillas fosfóricas.
ExpiredES21722A2
(es)
Un procedimiento para acelerar la cristalización de los líquidos impuros o que difícilmente se cristalizan y en particular de los productos secundarios de la fabricación de armas.