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 Yuan Tung Prec Machinery Co LtfiledCriticalYuan Tung Prec Machinery Co Lt
Priority to TW88201564UpriorityCriticalpatent/TW421172U/en
Publication of TW421172UpublicationCriticalpatent/TW421172U/en