Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from NO813839Aexternal-prioritypatent/NO157700C/en
Publication of NO872272LpublicationCriticalpatent/NO872272L/en
Application filed by Robins Co Inc A HfiledCriticalRobins Co Inc A H
Priority to NO872272ApriorityCriticalpatent/NO161175C/en
Publication of NO872272D0publicationCriticalpatent/NO872272D0/en
Publication of NO161175BpublicationCriticalpatent/NO161175B/en
Publication of NO161175CpublicationCriticalpatent/NO161175C/en