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.)
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Publication date
Priority claimed from NO892922Aexternal-prioritypatent/NO892922D0/no
Application filed by Placell AsfiledCriticalPlacell As
Priority to NO894582ApriorityCriticalpatent/NO170491C/no
Publication of NO894582D0publicationCriticalpatent/NO894582D0/no
Publication of NO894582LpublicationCriticalpatent/NO894582L/no
Publication of NO170491BpublicationCriticalpatent/NO170491B/no
Publication of NO170491CpublicationCriticalpatent/NO170491C/no