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 Chien-Ming ChenfiledCriticalChien-Ming Chen
Priority to TW91212000UpriorityCriticalpatent/TW551593U/en
Publication of TW551593UpublicationCriticalpatent/TW551593U/en