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Application filed by Magne BjerkemfiledCriticalMagne Bjerkem
Priority to NO823324ApriorityCriticalpatent/NO153404C/no
Publication of NO823324LpublicationCriticalpatent/NO823324L/no
Publication of NO153404BpublicationCriticalpatent/NO153404B/no
Publication of NO153404CpublicationCriticalpatent/NO153404C/no