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 Paul Dreyer, Sverre M HenriksenfiledCriticalPaul Dreyer
Priority to NO874339ApriorityCriticalpatent/NO164386C/no
Publication of NO874339D0publicationCriticalpatent/NO874339D0/no
Publication of NO874339LpublicationCriticalpatent/NO874339L/no
Publication of NO164386BpublicationCriticalpatent/NO164386B/no
Publication of NO164386CpublicationCriticalpatent/NO164386C/no