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Priority claimed from DE19722252979external-prioritypatent/DE2252979B1/de
Priority claimed from DE19722256735external-prioritypatent/DE2256735C3/de
Application filed by Bellmer Geb Kg MaschffiledCriticalBellmer Geb Kg Maschf
Publication of ATA805073ApublicationCriticalpatent/ATA805073A/de
Application grantedgrantedCritical
Publication of AT336042BpublicationCriticalpatent/AT336042B/de