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 Jan RoczniakfiledCriticalJan Roczniak
Priority to PL95309897ApriorityCriticalpatent/PL177917B1/en
Publication of PL309897A1publicationCriticalpatent/PL309897A1/en
Publication of PL177917B1publicationCriticalpatent/PL177917B1/en