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 Hutmaszprojekt HapekofiledCriticalHutmaszprojekt Hapeko
Priority to PL27049588ApriorityCriticalpatent/PL156687B1/en
Publication of PL270495A1publicationCriticalpatent/PL270495A1/en
Publication of PL156687B1publicationCriticalpatent/PL156687B1/en