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 hui-hua Rao, Mei-Zhi ZhangfiledCriticalhui-hua Rao
Priority to TW97121514ApriorityCriticalpatent/TW200950742A/zh
Publication of TW200950742ApublicationCriticalpatent/TW200950742A/zh
Application grantedgrantedCritical
Publication of TWI356687BpublicationCriticalpatent/TWI356687B/zh