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 Poor RobertfiledCriticalPoor Robert
Priority to CS846436ApriorityCriticalpatent/CS239400B1/en
Publication of CS643684A1publicationCriticalpatent/CS643684A1/en
Publication of CS239400B1publicationCriticalpatent/CS239400B1/en