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 Inst Nawozow Sztucznych, Mennica PanstwowafiledCriticalInst Nawozow Sztucznych
Priority to PL19949977ApriorityCriticalpatent/PL107510B1/en
Publication of PL199499A1publicationCriticalpatent/PL199499A1/en
Publication of PL107510B1publicationCriticalpatent/PL107510B1/en