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Individual
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Individual
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Priority to ES52339ApriorityCriticalpatent/ES52339A1/es
Publication of ES52339A1publicationCriticalpatent/ES52339A1/es
ES52339A1912-02-141912-02-14Mejoras en las parrillas de horno para las calderas de las locomotoras y demás clases y para otros fines.
ExpiredES52339A1
(es)