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 Klatil Karel, Milos Ing Moc, Kroupa Jiri, Wiesner Ivo, Otto Dr AbsolonfiledCriticalKlatil Karel
Priority to CS844039ApriorityCriticalpatent/CS243564B1/cs
Publication of CS403984A1publicationCriticalpatent/CS403984A1/cs
Publication of CS243564B1publicationCriticalpatent/CS243564B1/cs