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 Marian Ambrozek, Janusz Drzyzga, Jan Guga, Stanislaw Krajewski, Jerzy RachwalskifiledCriticalMarian Ambrozek
Priority to PL28744190ApriorityCriticalpatent/PL287441A1/en
Publication of PL287441A1publicationCriticalpatent/PL287441A1/en