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Individual
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Individual
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Priority claimed from FR981967Aexternal-prioritypatent/FR1406733A/fr
Priority claimed from FR1203Aexternal-prioritypatent/FR87149E/fr
Application filed by IndividualfiledCriticalIndividual
Publication of ES315134A1publicationCriticalpatent/ES315134A1/es
ES0315134A1964-07-151965-07-09Un dispositivo aplicable a los conductos de humos y a las instalaciones de ventilacion para la purificacion de gases.
ExpiredES315134A1
(es)