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 Yung-Chiuan Yang, Yung-Ching YangfiledCriticalYung-Chiuan Yang
Priority to TW087201574UpriorityCriticalpatent/TW351284U/en
Publication of TW351284UpublicationCriticalpatent/TW351284U/en