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Application filed by Hans BjoerkefiledCriticalHans Bjoerke
Priority to NO784172ApriorityCriticalpatent/NO143376C/no
Publication of NO784172LpublicationCriticalpatent/NO784172L/no
Publication of NO143376BpublicationCriticalpatent/NO143376B/no
Publication of NO143376CpublicationCriticalpatent/NO143376C/no