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 SE8106114Aexternal-prioritypatent/SE432190B/en
Application filed by Hallen Jan AkefiledCriticalHallen Jan Ake
Application grantedgrantedCritical
Publication of ATE18600T1publicationCriticalpatent/ATE18600T1/en