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 SobierskifiledCriticalJan Sobierski
Priority to PL30583794ApriorityCriticalpatent/PL305837A1/en
Publication of PL305837A1publicationCriticalpatent/PL305837A1/en