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 Heng-Tsung GuofiledCriticalHeng-Tsung Guo
Priority to TW90222079UpriorityCriticalpatent/TW500120U/en
Publication of TW500120UpublicationCriticalpatent/TW500120U/en