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 Drag Jiri, Sylvie Ing Kalocova, Mikula Jaroslav, Ladislav Ing Salat, Josef Ing GajdafiledCriticalDrag Jiri
Priority to CS855378ApriorityCriticalpatent/CS253814B1/en
Publication of CS537885A1publicationCriticalpatent/CS537885A1/en
Publication of CS253814B1publicationCriticalpatent/CS253814B1/en