GB/T 16608.51-2012
有或无机电继电器.第51部分:空白详细规范.电信用有质量评定的有或无机电继电器.非标准类型和结构
Electromechanical all-or-nothing relays.Part 51:Blank detail specification.Electromechanical all-or-nothing telecom relays of assessed quality.Non-standardized types and construction
GBT16608.51-2012, GB16608.51-2012