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 Gelszinnus Guenther, Liesch Gisela, Gunter Dr Dipl Chem Horn, Weihnacht Wolfram, Baerbel MardickefiledCriticalGelszinnus Guenther
Publication of CS233681A1publicationCriticalpatent/CS233681A1/cs
Publication of CS268758B1publicationCriticalpatent/CS268758B1/cs