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Priority claimed from DE19752510808external-prioritypatent/DE2510808C2/de
Priority claimed from DE19752511845external-prioritypatent/DE2511845C2/de
Application filed by Oberschwaeb MetallwarenfiledCriticalOberschwaeb Metallwaren
Application grantedgrantedCritical
Publication of AR208590A1publicationCriticalpatent/AR208590A1/es