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 Miroslav Stary, Bohumil Braunstein, Milan Peterka, Radomir PakostafiledCriticalMiroslav Stary
Priority to CS321776ApriorityCriticalpatent/CS186443B1/cs
Publication of CS186443B1publicationCriticalpatent/CS186443B1/cs