Home / Standards / GB 13950-1992 GB 13950-1992 Abolished Polyester film used as electrical insulation 电气绝缘用聚酯薄膜 Standard Type GB ICS N/A CCS K15 Status 废止 Issue Date 1992-12-19 Implementation 1993-07-01 Responsible Dept N/A Drafting Unit N/A