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 SE8604513Aexternal-prioritypatent/SE455674B/sv
Application filed by Lindema KbfiledCriticalLindema Kb
Application grantedgrantedCritical
Publication of ATE73693T1publicationCriticalpatent/ATE73693T1/de