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Priority claimed from CH3191/83Aexternal-prioritypatent/CH661488A5/de
Application filed by Alfatechnic AgfiledCriticalAlfatechnic Ag
Publication of NO850327LpublicationCriticalpatent/NO850327L/no
Publication of NO162455BpublicationCriticalpatent/NO162455B/no
Publication of NO162455CpublicationCriticalpatent/NO162455C/no