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Priority claimed from PCT/CH1980/000105external-prioritypatent/WO1981000745A1/en
Application filed by Stapro AgfiledCriticalStapro Ag
Publication of NO811649LpublicationCriticalpatent/NO811649L/en
Publication of NO158644BpublicationCriticalpatent/NO158644B/en
Publication of NO158644CpublicationCriticalpatent/NO158644C/en