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 Pavel, Felix KumpffiledCriticalFrantisek Pavel
Priority to CS467473ApriorityCriticalpatent/CS182934B1/cs
Publication of CS182934B1publicationCriticalpatent/CS182934B1/cs