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Application filed by 三洋電機株式会社filedCritical三洋電機株式会社
Priority to JP10880679UpriorityCriticalpatent/JPS5915398Y2/ja
Publication of JPS5626863UpublicationCriticalpatent/JPS5626863U/ja
Application grantedgrantedCritical
Publication of JPS5915398Y2publicationCriticalpatent/JPS5915398Y2/ja
Method of forming protective coating on cell safety valve element, cell safety valve element coated with protective film, cell sealing plate using the element, and enclosed cell using the plate