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 Kapsch Telephon TelegraphfiledCriticalKapsch Telephon Telegraph
Priority to YU42378ApriorityCriticalpatent/YU42378A/en
Publication of YU42378ApublicationCriticalpatent/YU42378A/en