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 SE8702909Aexternal-prioritypatent/SE460827B/sv
Application filed by Svenska Skatebox AbfiledCriticalSvenska Skatebox Ab
Application grantedgrantedCritical
Publication of ATE74783T1publicationCriticalpatent/ATE74783T1/de