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 Frantisek Ing JursafiledCriticalFrantisek Ing Jursa
Priority to CS84251ApriorityCriticalpatent/CS250807B1/en
Publication of CS25184A1publicationCriticalpatent/CS25184A1/en
Publication of CS250807B1publicationCriticalpatent/CS250807B1/en