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 Inst WlokiennictwafiledCriticalInst Wlokiennictwa
Priority to PL29281291ApriorityCriticalpatent/PL167919B1/en
Publication of PL292812A1publicationCriticalpatent/PL292812A1/en
Publication of PL167919B1publicationCriticalpatent/PL167919B1/en