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Application filed by Atle NilsenfiledCriticalAtle Nilsen
Priority to NO812455ApriorityCriticalpatent/NO148478C/no
Publication of NO812455LpublicationCriticalpatent/NO812455L/no
Publication of NO148478BpublicationCriticalpatent/NO148478B/no
Publication of NO148478CpublicationCriticalpatent/NO148478C/no