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 PL29338592ApriorityCriticalpatent/PL166829B1/en
Publication of PL293385A1publicationCriticalpatent/PL293385A1/en
Publication of PL166829B1publicationCriticalpatent/PL166829B1/en