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Priority claimed from DE19873712450external-prioritypatent/DE3712450C1/en
Priority claimed from DE19883805207external-prioritypatent/DE3805207C1/de
Application filed by Klaus Lieselotte Geb SiebelfiledCriticalKlaus Lieselotte Geb Siebel
Application grantedgrantedCritical
Publication of ATE61267T1publicationCriticalpatent/ATE61267T1/en