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 Jerzy MichalakfiledCriticalJerzy Michalak
Priority to PL29299192ApriorityCriticalpatent/PL292991A1/en
Publication of PL292991A1publicationCriticalpatent/PL292991A1/en