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 Chargemain Spring Ind Co LtdfiledCriticalChargemain Spring Ind Co Ltd
Priority to TW87213900UpriorityCriticalpatent/TW390478U/en
Publication of TW390478UpublicationCriticalpatent/TW390478U/en