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 DE19883834762external-prioritypatent/DE3834762A1/de
Priority claimed from DE19883835381external-prioritypatent/DE3835381A1/de
Application filed by Ruhrgas AgfiledCriticalRuhrgas Ag
Priority claimed from EP89118554Aexternal-prioritypatent/EP0363834B1/de
Application grantedgrantedCritical
Publication of ATE104416T1publicationCriticalpatent/ATE104416T1/de