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Application filed by Georg EknesfiledCriticalGeorg Eknes
Priority to NO791443ApriorityCriticalpatent/NO148316C/en
Publication of NO791443LpublicationCriticalpatent/NO791443L/en
Publication of NO148316BpublicationCriticalpatent/NO148316B/en
Publication of NO148316CpublicationCriticalpatent/NO148316C/en