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Individual
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Individual
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Priority to ES86034ApriorityCriticalpatent/ES86034A1/es
Publication of ES86034A1publicationCriticalpatent/ES86034A1/es
ES86034A1923-07-031923-07-03Generador de acetileno del sistema llamado de introducción de carburo, con igualdad de presión para quemadores de soldar.
ExpiredES86034A1
(es)