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 Ryszard Nachmann, Miroslaw PetrykowskifiledCriticalRyszard Nachmann
Priority to PL29652592ApriorityCriticalpatent/PL169548B1/en
Publication of PL296525A2publicationCriticalpatent/PL296525A2/en
Publication of PL169548B1publicationCriticalpatent/PL169548B1/en