Home / Standards / GB/T 37369-2019 GB/T 37369-2019 Active Inspection and assessment of crossing and aerial crossing of buried steel pipelines 埋地钢质管道穿跨越段检验与评价 Standard Type GBT ICS 23.040.10 CCS E16 Status 现行 Issue Date 2019-03-25 Implementation 2019-10-01 Responsible Dept 国家标准委 Drafting Unit N/A