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 Milan Ing Veit, Jiri Ing Vanicek, Eduard Ing Drsc PetrovskyfiledCriticalMilan Ing Veit
Priority to CS847780ApriorityCriticalpatent/CS244043B1/en
Publication of CS778084A1publicationCriticalpatent/CS778084A1/en
Publication of CS244043B1publicationCriticalpatent/CS244043B1/en