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 Kowa Optics CorpfiledCriticalKowa Optics Corp
Priority to TW89211075UpriorityCriticalpatent/TW452170U/en
Publication of TW452170UpublicationCriticalpatent/TW452170U/en