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 Jindrich Ing Krejci, Vladimir Ing StepanikfiledCriticalJindrich Ing Krejci
Priority to CS8410416ApriorityCriticalpatent/CS244895B1/cs
Publication of CS1041684A1publicationCriticalpatent/CS1041684A1/cs
Publication of CS244895B1publicationCriticalpatent/CS244895B1/cs