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 Instytut Nawozów SztucznychfiledCriticalInstytut Nawozów Sztucznych
Priority to PL394565ApriorityCriticalpatent/PL220538B1/pl
Publication of PL394565A1publicationCriticalpatent/PL394565A1/pl
Publication of PL220538B1publicationCriticalpatent/PL220538B1/pl