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Priority claimed from DE19797903604Uexternal-prioritypatent/DE7903604U1/de
Priority claimed from DE19792914704external-prioritypatent/DE2914704A1/de
Priority claimed from DE19797919777external-prioritypatent/DE7919777U1/de
Priority claimed from DE19797919791external-prioritypatent/DE7919791U1/de
Application filed by Kolloid-Chemie G.M.B.H.filedCriticalKolloid-Chemie G.M.B.H.
Priority claimed from EP80100607Aexternal-prioritypatent/EP0014901B1/de
Application grantedgrantedCritical
Publication of ATE8120T1publicationCriticalpatent/ATE8120T1/de