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 SE8504905Aexternal-prioritypatent/SE452640B/sv
Application filed by Karlsson Per OloffiledCriticalKarlsson Per Olof
Application grantedgrantedCritical
Publication of ATE54725T1publicationCriticalpatent/ATE54725T1/de