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Priority claimed from DE19787833706external-prioritypatent/DE7833706U1/de
Priority claimed from DE19792905515external-prioritypatent/DE2905515A1/de
Application filed by Kauffmann KurtfiledCriticalKauffmann Kurt
Publication of ATA177179ApublicationCriticalpatent/ATA177179A/de
Application grantedgrantedCritical
Publication of AT383943BpublicationCriticalpatent/AT383943B/de