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 Jiri Ing Csc Ticha, Josef RadafiledCriticalJiri Ing Csc Ticha
Priority to CS886576ApriorityCriticalpatent/CS269431B1/cs
Publication of CS657688A1publicationCriticalpatent/CS657688A1/cs
Publication of CS269431B1publicationCriticalpatent/CS269431B1/cs