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 Melichar BohuslavfiledCriticalMelichar Bohuslav
Priority to CS84301ApriorityCriticalpatent/CS243641B1/en
Publication of CS30184A1publicationCriticalpatent/CS30184A1/en
Publication of CS243641B1publicationCriticalpatent/CS243641B1/en