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Priority to DE19722225346priorityCriticalpatent/DE2225346C/de
Priority claimed from DE19722225346external-prioritypatent/DE2225346C/de
Publication of DE2225346B1publicationCriticalpatent/DE2225346B1/de
Publication of DE2225346A1publicationCriticalpatent/DE2225346A1/de
Priority to FR7317913Aprioritypatent/FR2185347B3/fr
Priority to BE131361Aprioritypatent/BE799834A/xx
Application grantedgrantedCritical
Publication of DE2225346CpublicationCriticalpatent/DE2225346C/de