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
Application filed by Mauno SeppaefiledCriticalMauno Seppae
Priority to NO860871ApriorityCriticalpatent/NO160642C/no
Publication of NO860871LpublicationCriticalpatent/NO860871L/no
Publication of NO160642BpublicationCriticalpatent/NO160642B/no
Publication of NO160642CpublicationCriticalpatent/NO160642C/no