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Priority claimed from DE19848403881external-prioritypatent/DE8403881U1/en
Application filed by Porte Soehne D LafiledCriticalPorte Soehne D La
Priority claimed from EP84110313Aexternal-prioritypatent/EP0139181B1/en
Application grantedgrantedCritical
Publication of ATE29080T1publicationCriticalpatent/ATE29080T1/en