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Priority claimed from DE3315688Aexternal-prioritypatent/DE3315688C2/de
Priority claimed from DE3316206Aexternal-prioritypatent/DE3316206C1/de
Application filed by Karl HehlfiledCriticalKarl Hehl
Priority claimed from EP84103543Aexternal-prioritypatent/EP0123925B1/de
Application grantedgrantedCritical
Publication of ATE21304T1publicationCriticalpatent/ATE21304T1/de