Home / Standards / GB/Z 24839-2009 GB/Z 24839-2009 Technical specification for post insulators of 1000kV AC systems 1000kV交流系统用支柱绝缘子技术规范 Standard Type GBZ ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A