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 Takubo Kogyosho KkfiledCriticalTakubo Kogyosho Kk
Publication of TW551443UpublicationCriticalpatent/TW551443U/zh