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Priority claimed from DE19863601152external-prioritypatent/DE3601152A1/de
Priority claimed from DE19863618105external-prioritypatent/DE3618105A1/de
Application filed by Biso Bitter Gmbh & Co KgfiledCriticalBiso Bitter Gmbh & Co Kg
Priority claimed from EP19870100401external-prioritypatent/EP0230261B1/de
Application grantedgrantedCritical
Publication of ATE69921T1publicationCriticalpatent/ATE69921T1/de