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Priority claimed from DE19803029708external-prioritypatent/DE3029708C2/de
Application filed by Dennert Heinz, Dennert Hans VeitfiledCriticalDennert Heinz
Publication of ATA332081ApublicationCriticalpatent/ATA332081A/de
Application grantedgrantedCritical
Publication of AT389487BpublicationCriticalpatent/AT389487B/de