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
Application filed by Mathiesen AlffiledCriticalMathiesen Alf
Priority to PL20319877ApriorityCriticalpatent/PL114044B1/pl
Publication of PL203198A1publicationCriticalpatent/PL203198A1/pl
Publication of PL114044B1publicationCriticalpatent/PL114044B1/pl