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Filing date
Publication date
Application filed by Arnfinn Saugerud, Alf S Alfsen, Arne TorsvikfiledCriticalArnfinn Saugerud
Priority to NO781533ApriorityCriticalpatent/NO141323C/no
Publication of NO781533LpublicationCriticalpatent/NO781533L/no
Publication of NO141323BpublicationCriticalpatent/NO141323B/no
Publication of NO141323CpublicationCriticalpatent/NO141323C/no