KS C IEC 61951-1-2021 Secondary cells and batteries containing alkaline or other non-acid electrolytes — Secondary sealed cells and batteries for portable applications — Part 1: Nickel-cadmium
2021KS C IEC 61951-1:2021 Secondary cells and batteries containing alkaline or other non-acid electrolytes — Secondary sealed cells and batteries for portable applications — Part 1: Nickel-cadmium
2018KS C IEC 61951-1:2018 Secondary cells and batteries containing alkaline or other non-acid electrolytes — Secondary sealed cells and batteries for portable applications — Part 1: Nickel-cadmium
2008KS C IEC 61951-1:2008 Secondary cells and batteries containing alkaline or other non-acid electrolytes－Portable sealed rechargeable single cells－Part 1：Nickel-cadmium