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Application filed by Karl VenaasfiledCriticalKarl Venaas
Priority to NO851081ApriorityCriticalpatent/NO160418C/no
Publication of NO851081LpublicationCriticalpatent/NO851081L/no
Publication of NO160418BpublicationCriticalpatent/NO160418B/no
Publication of NO160418CpublicationCriticalpatent/NO160418C/no