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Priority claimed from DE8812156Uexternal-prioritypatent/DE8812156U1/de
Priority claimed from DE3923119Aexternal-prioritypatent/DE3923119A1/de
Priority claimed from DE8910067Uexternal-prioritypatent/DE8910067U1/de
Application filed by Hammer Lit GmbhfiledCriticalHammer Lit Gmbh
Priority claimed from EP89116339Aexternal-prioritypatent/EP0361139B1/de
Application grantedgrantedCritical
Publication of ATE71537T1publicationCriticalpatent/ATE71537T1/de