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 Anatol Marczuk, Danuta MarczukfiledCriticalAnatol Marczuk
Priority to PL28664790ApriorityCriticalpatent/PL286647A1/en
Publication of PL286647A1publicationCriticalpatent/PL286647A1/en