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 Liu Ching TungfiledCriticalLiu Ching Tung
Priority to TW88210568UpriorityCriticalpatent/TW420403U/en
Publication of TW420403UpublicationCriticalpatent/TW420403U/en