DIN EN 61810-2-1-2012
机电式初级继电器.第2-1部分:可靠性.B10值的验证程序(IEC 61810-2-1-2011).德文版 EN 61810-2-1-2011
Electromechanical elementary relays - Part 2-1: Reliability - Procedure for the verification of B10 values (IEC 61810-2-1:2011); German version EN 61810-2-1:2011