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 Chemii PrzemyslowejfiledCriticalInst Chemii Przemyslowej
Priority to PL21118978ApriorityCriticalpatent/PL109897B2/xx
Publication of PL211189A1publicationCriticalpatent/PL211189A1/pl
Publication of PL109897B2publicationCriticalpatent/PL109897B2/xx