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 Chuen-Bau Jiang, Liang Huei ChungfiledCriticalChuen-Bau Jiang
Priority to TW90204206UpriorityCriticalpatent/TW474195U/en
Publication of TW474195UpublicationCriticalpatent/TW474195U/en