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 Vaclav JenistafiledCriticalVaclav Jenista
Priority to CS85450ApriorityCriticalpatent/CS243304B1/en
Publication of CS45085A1publicationCriticalpatent/CS45085A1/en
Publication of CS243304B1publicationCriticalpatent/CS243304B1/en