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Priority claimed from DE19833320869external-prioritypatent/DE3320869A1/de
Priority claimed from DE19833320870external-prioritypatent/DE3320870A1/de
Application filed by Walther Carl Kurt GmbhfiledCriticalWalther Carl Kurt Gmbh
Priority claimed from EP84106316Aexternal-prioritypatent/EP0131141B1/de
Application grantedgrantedCritical
Publication of ATE33463T1publicationCriticalpatent/ATE33463T1/de