GB/T 16608.1-2023有质量评定的电信用基础机电继电器第1部分:总规范与空白详细规范国家标准
英文:Electromechanical telecom elementary relays of assessed quality—Part 1: Generic specification and blank detail specif...
英文:Electromechanical telecom elementary relays of assessed quality—Part 1: Generic specification and blank detail specif...