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 Ladislav Ing Csc Sojak, Guenter Dr Dipl Chem KrausfiledCriticalLadislav Ing Csc Sojak
Priority to CS849837ApriorityCriticalpatent/CS241348B1/cs
Publication of CS983784A1publicationCriticalpatent/CS983784A1/cs
Publication of CS241348B1publicationCriticalpatent/CS241348B1/cs