Secondary cells and batteries containing alkaline or other non-acid electrolytes - Secondary sealed cells and batteries for portable applications - Part 1: Nickel-cadmium (IEC 61951-1:2017); German version EN 61951-1:2017
含碱性或其他非酸性电解质的二次电池和电池组.便携式二次密封电池和电池组.第1部分:镍镉(IEC 61951-1-2017);德文版EN 61951-1:2017