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Filing date
Publication date
Application filed by Harald KvasnesfiledCriticalHarald Kvasnes
Priority to NO770595ApriorityCriticalpatent/NO139184C/en
Priority to FI780357Aprioritypatent/FI60909C/en
Priority to DK77978Aprioritypatent/DK146828C/en
Priority to SE7802051Aprioritypatent/SE421720B/en
Publication of NO770595LpublicationCriticalpatent/NO770595L/en
Publication of NO139184BpublicationCriticalpatent/NO139184B/en
Publication of NO139184CpublicationCriticalpatent/NO139184C/en