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 Yung Feng Firecrackers & Amp FfiledCriticalYung Feng Firecrackers & Amp F
Priority to TW90208292UpriorityCriticalpatent/TW496520U/en
Publication of TW496520UpublicationCriticalpatent/TW496520U/en