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Application filed by Sen-Yang Zheng, Zhao-Tai ZhengfiledCriticalSen-Yang Zheng
Priority to TW084216964UpriorityCriticalpatent/TW296757U/en
Priority to AU71708/96Aprioritypatent/AU689729B2/en
Publication of TW296757UpublicationCriticalpatent/TW296757U/en
Priority to CA002225056Aprioritypatent/CA2225056C/en