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 Danuta Fraczek, Jan FraczekfiledCriticalDanuta Fraczek
Priority to PL10844294UpriorityCriticalpatent/PL57023Y1/en
Publication of PL57023Y1publicationCriticalpatent/PL57023Y1/en