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Priority claimed from DE3444045Aexternal-prioritypatent/DE3444045C2/de
Priority claimed from DE19853503401external-prioritypatent/DE3503401A1/de
Application filed by Messer Griesheim GmbhfiledCriticalMesser Griesheim Gmbh
Priority claimed from EP85115152Aexternal-prioritypatent/EP0185233B1/de
Application grantedgrantedCritical
Publication of ATE44670T1publicationCriticalpatent/ATE44670T1/de