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 Kazimierz AndrzejewskifiledCriticalKazimierz Andrzejewski
Priority to PL11153700UpriorityCriticalpatent/PL61552Y1/en
Publication of PL111537U1publicationCriticalpatent/PL111537U1/en
Publication of PL61552Y1publicationCriticalpatent/PL61552Y1/en