Home / Standards / GB/Z 28820.3-2012 GB/Z 28820.3-2012 Abolished Long-term radiation ageing in polymers - Part 3: Procedures for in-service monitoring of low-voltage cable materials 聚合物长期辐射老化 第3部分：低压电缆材料在役监测程序 Standard Type GBZ ICS 29.035.01 CCS K15 Status 废止 Issue Date 2012-11-05 Implementation N/A Responsible Dept 中国电器工业协会 Drafting Unit N/A