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Application filed by Hans Petter HektoenfiledCriticalHans Petter Hektoen
Priority to NO820244ApriorityCriticalpatent/NO149592C/no
Publication of NO820244LpublicationCriticalpatent/NO820244L/no
Publication of NO149592BpublicationCriticalpatent/NO149592B/no
Publication of NO149592CpublicationCriticalpatent/NO149592C/no