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 Makovicka Jan, Jiri Klejch, Smrcek Karel, Olga Ing MorholovafiledCriticalMakovicka Jan
Priority to CS844892ApriorityCriticalpatent/CS240912B1/cs
Publication of CS489284A1publicationCriticalpatent/CS489284A1/cs
Publication of CS240912B1publicationCriticalpatent/CS240912B1/cs