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 Shu-Huei LiaufiledCriticalShu-Huei Liau
Priority to TW90217073UpriorityCriticalpatent/TW493438U/en
Publication of TW493438UpublicationCriticalpatent/TW493438U/en