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Filing date
Publication date
Priority claimed from DE2817345Aexternal-prioritypatent/DE2817345C2/de
Priority claimed from DE2904005Aexternal-prioritypatent/DE2904005C2/de
Priority claimed from AT0299579Aexternal-prioritypatent/AT380052B/de
Application filed by Gartner & Co JfiledCriticalGartner & Co J
Priority to AT140784ApriorityCriticalpatent/AT387275B/de
Publication of ATA140784ApublicationCriticalpatent/ATA140784A/de
Application grantedgrantedCritical
Publication of AT387275BpublicationCriticalpatent/AT387275B/de