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 Arnost Ing Sevcik, Karel Koudelka, Karel Pavlicek, Dzierza EmilfiledCriticalArnost Ing Sevcik
Priority to CS852468ApriorityCriticalpatent/CS244100B1/cs
Publication of CS246885A1publicationCriticalpatent/CS246885A1/cs
Publication of CS244100B1publicationCriticalpatent/CS244100B1/cs