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
Publication of CS8902633A2publicationCriticalpatent/CS8902633A2/cs
Publication of CS276482B6publicationCriticalpatent/CS276482B6/cs