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Individual
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Individual
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Priority to ES271564ApriorityCriticalpatent/ES271564A1/es
Publication of ES271564A1publicationCriticalpatent/ES271564A1/es
ES271564A1961-10-271961-10-27Nuevo sistema de engatillado con posterior soldadura para la formación de cuerpos huecos y cerrados
ExpiredES271564A1
(es)