Home / Standards / GB 1000.1-88 GB 1000.1-88 Technical Specification for Pin Type Porcelain Insulators for High Voltage Lines 高压线路针式瓷绝缘子 技术条件 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A