Home / Standards / GB 11920-1989 GB 11920-1989 Abolished General specification of central control equipments for electrical parts in power stations and substations 电站电气部分集中控制装置通用技术条件 Standard Type GB ICS 29.240.30 CCS K45 Status 废止 Issue Date 1989-12-21 Implementation 1990-07-01 Responsible Dept 中国电力企业联合会 Drafting Unit N/A