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 HavranekfiledCriticalFrantisek Havranek
Priority to CS838676ApriorityCriticalpatent/CS186600B1/cs
Publication of CS186600B1publicationCriticalpatent/CS186600B1/cs