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 SE8105591Aexternal-prioritypatent/SE442414B/sv
Application filed by Holmens Bruk Ab, Air LiquidefiledCriticalHolmens Bruk Ab
Publication of NO831621LpublicationCriticalpatent/NO831621L/no
Publication of NO156907BpublicationCriticalpatent/NO156907B/no
Publication of NO156907CpublicationCriticalpatent/NO156907C/no