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 Zaklady Przemyslu Welnianego IfiledCriticalZaklady Przemyslu Welnianego I
Priority to PL23907282ApriorityCriticalpatent/PL134955B1/en
Publication of PL239072A1publicationCriticalpatent/PL239072A1/en
Publication of PL134955B1publicationCriticalpatent/PL134955B1/en