Home / Standards / GB/T 30040.4-2013 GB/T 30040.4-2013 Active Leak detection systems―Part 4:Liquid and/or vapour sensor systems for use in leakage containments or interstitial spaces 双层罐渗漏检测系统 第4部分:应用于防渗漏设施或双层间隙的液体或蒸气传感器系统 Standard Type GBT ICS 23.020.01;29.260.20;23.040.99 CCS G93 Status 现行 Issue Date 2013-12-17 Implementation 2014-09-01 Responsible Dept 国家标准委 Drafting Unit N/A