Home / Standards / GB/T 22389-2008 GB/T 22389-2008 Abolished Guidelines of metal oxide surge arresters without gaps for HVDC converter stations 高压直流换流站无间隙金属氧化物避雷器导则 Standard Type GBT ICS 29.080.99 CCS K49 Status 废止 Issue Date 2008-09-24 Implementation 2009-08-01 Responsible Dept 中国电器工业协会 Drafting Unit N/A