DIN 40771-2
DIN 40771-2 Vented nickel-cadmium-accumulators - Part 2: Cells in plastic containers with fibre structure plates - Rated capacities - Main dimensions
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2013
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2013