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 SE8104738Aexternal-prioritypatent/SE427569B/en
Application filed by Skanska Cementgjuteriet AbfiledCriticalSkanska Cementgjuteriet Ab
Publication of NO831222LpublicationCriticalpatent/NO831222L/en
Publication of NO155301BpublicationCriticalpatent/NO155301B/en
Publication of NO155301CpublicationCriticalpatent/NO155301C/en