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 Birger RamstadfiledCriticalBirger Ramstad
Priority to NO902447ApriorityCriticalpatent/NO172465C/no
Publication of NO902447D0publicationCriticalpatent/NO902447D0/no
Publication of NO902447LpublicationCriticalpatent/NO902447L/no
Publication of NO172465BpublicationCriticalpatent/NO172465B/no
Publication of NO172465CpublicationCriticalpatent/NO172465C/no