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Application filedfiledCritical
Priority to DE19762613554priorityCriticalpatent/DE2613554C2/de
Priority claimed from DE19762613554external-prioritypatent/DE2613554C2/de
Publication of DE2613554B1publicationCriticalpatent/DE2613554B1/de
Publication of DE2613554A1publicationCriticalpatent/DE2613554A1/de
Priority to US05/781,974prioritypatent/US4095504A/en
Priority to GB12958/77Aprioritypatent/GB1513120A/en
Application grantedgrantedCritical
Publication of DE2613554C2publicationCriticalpatent/DE2613554C2/de
