发明授权
US4220694A Leak-proof alkaline cell and its production 失效
防漏碱性电池及其生产

Leak-proof alkaline cell and its production
摘要:
A leak-proof alkaline cell comprising a negative electrode collector and a gasket, characterized in that the negative electrode collector is coated with a film comprising a triazole compound at least at the part faced to the gasket.
信息查询
0/0