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 Elkem Spigerverket AsfiledCriticalElkem Spigerverket As
Priority to NO740997ApriorityCriticalpatent/NO133636C/no
Priority to FI752435Aprioritypatent/FI752435A7/fi
Publication of NO740997LpublicationCriticalpatent/NO740997L/no
Publication of NO133636BpublicationCriticalpatent/NO133636B/no
Publication of NO133636CpublicationCriticalpatent/NO133636C/no