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 Chao Ming, Lin Chih LungfiledCriticalLiu Chao Ming
Priority to ZA954318ApriorityCriticalpatent/ZA954318B/en
Publication of ZA954318BpublicationCriticalpatent/ZA954318B/en