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Priority claimed from DE19792914715external-prioritypatent/DE2914715A1/de
Application filed by Dammann & WesterkampfiledCriticalDammann & Westerkamp
Priority to AT198881ApriorityCriticalpatent/AT367613B/de
Publication of ATA198881ApublicationCriticalpatent/ATA198881A/de
Application grantedgrantedCritical
Publication of AT367613BpublicationCriticalpatent/AT367613B/de