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Priority to ES40541ApriorityCriticalpatent/ES40541A1/es
Publication of ES40541A1publicationCriticalpatent/ES40541A1/es
ES40541A1907-04-171907-04-17Mejoras en las máquinas de moldear tubos de cemento con movimiento graduable de sacudida de la caja molde.
ExpiredES40541A1
(es)