Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19797936705external-prioritypatent/DE7936705U1/de
Priority claimed from DE19792952660external-prioritypatent/DE2952660C2/de
Application filed by Gfb Gesellschaft Fuer Betriebsberatung MbhfiledCriticalGfb Gesellschaft Fuer Betriebsberatung Mbh
Priority claimed from EP80108234Aexternal-prioritypatent/EP0031595B1/de
Application grantedgrantedCritical
Publication of ATE9177T1publicationCriticalpatent/ATE9177T1/de