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Individual
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Individual
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Priority to ES82917ApriorityCriticalpatent/ES82917A3/es
Publication of ES82917A3publicationCriticalpatent/ES82917A3/es
ES82917A1922-09-231922-09-23Mejoras en los recalentadores de vapor para las calderas de las locomotoras y otras de tubos de humo o de fuego.
ExpiredES82917A3
(es)