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 Jaroslav HrabalfiledCriticalJaroslav Hrabal
Priority to CS80977ApriorityCriticalpatent/CS188630B1/en
Publication of CS188630B1publicationCriticalpatent/CS188630B1/en