DIN 40771-1
DIN 40771-1 Vented nickel-cadmium-accumulators - Part 1: Cells in plastic containers with pocket type 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