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 PL25497885ApriorityCriticalpatent/PL141257B1/en
Publication of PL254978A1publicationCriticalpatent/PL254978A1/en
Priority to CS865299Aprioritypatent/CS270210B2/en
Priority to DE19863624417prioritypatent/DE3624417A1/en
Publication of PL141257B1publicationCriticalpatent/PL141257B1/en