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VEREIN CHEMISCHER FABRIKEN
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VEREIN CHEMISCHER FABRIKEN
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Application filed by VEREIN CHEMISCHER FABRIKENfiledCriticalVEREIN CHEMISCHER FABRIKEN
Priority to ES58302ApriorityCriticalpatent/ES58302A1/es
Publication of ES58302A1publicationCriticalpatent/ES58302A1/es
ES58302A1914-05-231914-05-23Un procedimiento para obtener óxido de azoe por oxidación de amoniaco, por medio de aire y en presencia de catalizadores.
ExpiredES58302A1
(es)
Un sistema de medidas métricas de madera a tramos plegables, por medio de un sistema especial de muelles y resortes y provistas las mencionadas medidas métricas en sus extremidades de canteras de metal acanaladas de una sola pieza y sin costura alguna.