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 Lead Steel Internat Co LtdfiledCriticalLead Steel Internat Co Ltd
Priority to TW88219652UpriorityCriticalpatent/TW439959U/en
Publication of TW439959UpublicationCriticalpatent/TW439959U/en