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Priority claimed from DE3440375Aexternal-prioritypatent/DE3440375A1/de
Priority claimed from DE19848435025external-prioritypatent/DE8435025U1/de
Application filed by Burgmann Dichtungswerk FeodorfiledCriticalBurgmann Dichtungswerk Feodor
Priority claimed from EP85114003Aexternal-prioritypatent/EP0183090B1/de
Application grantedgrantedCritical
Publication of ATE36397T1publicationCriticalpatent/ATE36397T1/de