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 SE6803236Aexternal-prioritypatent/SE321909C/xx
Application filed by Atlas Copco AbfiledCriticalAtlas Copco Ab
Publication of FI793908ApublicationCriticalpatent/FI793908A/fi