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Priority claimed from DD28703586Aexternal-prioritypatent/DD246078B1/en
Priority claimed from DD29118186Aexternal-prioritypatent/DD249886B5/en
Application filed by Demag KunststofftechfiledCriticalDemag Kunststofftech
Priority claimed from EP19870101505external-prioritypatent/EP0233548B1/en
Application grantedgrantedCritical
Publication of ATE78209T1publicationCriticalpatent/ATE78209T1/en