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 Czeslaw Skupnik, Jacek MichalskifiledCriticalCzeslaw Skupnik
Priority to PL29194091ApriorityCriticalpatent/PL167523B1/en
Publication of PL291940A1publicationCriticalpatent/PL291940A1/en
Publication of PL167523B1publicationCriticalpatent/PL167523B1/en