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 Ping-Chih LiufiledCriticalPing-Chih Liu
Priority to TW92200934UpriorityCriticalpatent/TW553243U/en
Publication of TW553243UpublicationCriticalpatent/TW553243U/en