Home / Standards / GB/Z 24835-2009 GB/Z 24835-2009 Code of operation and maintenance for 1000 kV gas-insulated metal-enclosed switchgear 1000 kV气体绝缘金属封闭开关设备运行及维护规程 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