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 Griehl Volker, Anton Elisabeth, Peter Dr Dipl Chem Scholz, Hans Otto Prof Dr FroehlichfiledCriticalGriehl Volker
Priority to CS838278ApriorityCriticalpatent/CS240558B1/cs
Publication of CS827883A1publicationCriticalpatent/CS827883A1/cs
Publication of CS240558B1publicationCriticalpatent/CS240558B1/cs