Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harald HystadfiledCriticalHarald Hystad
Priority to NO892069ApriorityCriticalpatent/NO167230C/en
Publication of NO892069D0publicationCriticalpatent/NO892069D0/en
Publication of NO892069LpublicationCriticalpatent/NO892069L/en
Publication of NO167230BpublicationCriticalpatent/NO167230B/en
Publication of NO167230CpublicationCriticalpatent/NO167230C/en