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 Ind Tech Res InstfiledCriticalInd Tech Res Inst
Priority to TW88208146UpriorityCriticalpatent/TW455038U/en
Publication of TW455038UpublicationCriticalpatent/TW455038U/en