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 PL390090ApriorityCriticalpatent/PL216921B1/pl
Publication of PL390090A1publicationCriticalpatent/PL390090A1/pl
Publication of PL216921B1publicationCriticalpatent/PL216921B1/pl