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 Sakurada YasuyukifiledCriticalSakurada Yasuyuki
Priority to PH42311ApriorityCriticalpatent/PH31221A/en
Publication of PH31221ApublicationCriticalpatent/PH31221A/en