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Individual
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Individual
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Priority to ES130188ApriorityCriticalpatent/ES130188A1/es
Publication of ES130188A1publicationCriticalpatent/ES130188A1/es
ES130188A1933-03-271933-03-27Un nuevo sistema de medios acoplamientos para la conducción del vapor de calefacción entre vagones de ferrocarril.
ExpiredES130188A1
(es)