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 Jen-Lin Yang, Sheng-Jiun Yang, Mu-Guei YangfiledCriticalJen-Lin Yang
Priority to TW92208231UpriorityCriticalpatent/TW580042U/en
Publication of TW580042UpublicationCriticalpatent/TW580042U/en