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Priority claimed from DE8813331Uexternal-prioritypatent/DE8813331U1/de
Priority claimed from DE8813330Uexternal-prioritypatent/DE8813330U1/de
Application filed by Vaw Ver Aluminium Werke AgfiledCriticalVaw Ver Aluminium Werke Ag
Priority claimed from EP89118742Aexternal-prioritypatent/EP0365908B1/de
Application grantedgrantedCritical
Publication of ATE84846T1publicationCriticalpatent/ATE84846T1/de