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Application filed by Gunnar Foss, Kleppe Jan MartinfiledCriticalGunnar Foss
Priority to NO843115ApriorityCriticalpatent/NO158307C/en
Publication of NO843115LpublicationCriticalpatent/NO843115L/en
Publication of NO158307BpublicationCriticalpatent/NO158307B/en
Publication of NO158307CpublicationCriticalpatent/NO158307C/en