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 Wang Wen KwongfiledCriticalWang Wen Kwong
Priority to BR6500941UpriorityCriticalpatent/BR6500941U/pt
Publication of BR6500941UpublicationCriticalpatent/BR6500941U/pt