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 PL25752286ApriorityCriticalpatent/PL146256B1/en
Publication of PL257522A1publicationCriticalpatent/PL257522A1/en
Publication of PL146256B1publicationCriticalpatent/PL146256B1/en