Home / Standards / GB/T 31067-2014 GB/T 31067-2014 Active Technical code for protection of bridge against lightning 桥梁防雷技术规范 Standard Type GBT ICS 93.040 CCS P28 Status 现行 Issue Date 2014-12-22 Implementation 2015-06-01 Responsible Dept 国家标准委 Drafting Unit N/A