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 Stefan Kalafut, Stefan Bajkay, Alexej Faix, Frantisek Hodosi, Rudolf WachterfiledCriticalStefan Kalafut
Priority to CS764574ApriorityCriticalpatent/CS189895B1/cs
Publication of CS189895B1publicationCriticalpatent/CS189895B1/cs