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Priority claimed from PCT/CH1983/000059external-prioritypatent/WO1983003999A1/en
Application filed by Max GutknechtfiledCriticalMax Gutknecht
Publication of NO840142LpublicationCriticalpatent/NO840142L/en
Publication of NO157207BpublicationCriticalpatent/NO157207B/en
Publication of NO157207CpublicationCriticalpatent/NO157207C/en