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Priority claimed from DE19803000894external-prioritypatent/DE3000894A1/en
Application filed by Pfeiffer Geraetebau GmbhfiledCriticalPfeiffer Geraetebau Gmbh
Priority claimed from EP80108081Aexternal-prioritypatent/EP0032573B1/en
Application grantedgrantedCritical
Publication of ATE5028T1publicationCriticalpatent/ATE5028T1/en