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Priority claimed from DE3840055Aexternal-prioritypatent/DE3840055C2/en
Application filed by Maechtle GmbhfiledCriticalMaechtle Gmbh
Priority claimed from EP89112452Aexternal-prioritypatent/EP0351668B1/en
Application grantedgrantedCritical
Publication of ATE81538T1publicationCriticalpatent/ATE81538T1/en