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 Jozef Wrzyszcz, Miroslaw Zawadzki, Wlodzimierz Mista, Janina Romaniak, Edward Jazy, Janusz TylkowskifiledCriticalJozef Wrzyszcz
Priority to PL31189395ApriorityCriticalpatent/PL179386B1/en
Publication of PL311893A1publicationCriticalpatent/PL311893A1/en
Publication of PL179386B1publicationCriticalpatent/PL179386B1/en