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 Tzai-Fa LioufiledCriticalTzai-Fa Liou
Priority to TW91206361UpriorityCriticalpatent/TW521684U/zh
Publication of TW521684UpublicationCriticalpatent/TW521684U/zh