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 SE8502382Aexternal-prioritypatent/SE446509B/sv
Application filed by Stiftelsen ErressfiledCriticalStiftelsen Erress
Application grantedgrantedCritical
Publication of ATE56160T1publicationCriticalpatent/ATE56160T1/de