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Priority claimed from DE19732353954external-prioritypatent/DE2353954A1/de
Priority claimed from DE19732354975external-prioritypatent/DE2354975C2/de
Priority claimed from IN1956/CAL/74Aexternal-prioritypatent/IN143055B/en
Application filed by Orenstein & Koppel AgfiledCriticalOrenstein & Koppel Ag
Priority to IN578/CAL/77ApriorityCriticalpatent/IN145757B/en
Publication of IN145757BpublicationCriticalpatent/IN145757B/en