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 SE8100360Aexternal-prioritypatent/SE8100360L/
Application filed by Lagerstedt & Krantz AbfiledCriticalLagerstedt & Krantz Ab
Application grantedgrantedCritical
Publication of ATE21717T1publicationCriticalpatent/ATE21717T1/de