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Application filed by Elkem Spigerverket AsfiledCriticalElkem Spigerverket As
Priority to NO801846ApriorityCriticalpatent/NO144479C/no
Publication of NO801846LpublicationCriticalpatent/NO801846L/no
Publication of NO144479BpublicationCriticalpatent/NO144479B/no
Publication of NO144479CpublicationCriticalpatent/NO144479C/no