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Application filed by Hans Petter HektoenfiledCriticalHans Petter Hektoen
Priority to NO793795ApriorityCriticalpatent/NO145350C/no
Publication of NO793795LpublicationCriticalpatent/NO793795L/no
Publication of NO145350BpublicationCriticalpatent/NO145350B/no
Publication of NO145350CpublicationCriticalpatent/NO145350C/no