ICS23.040.01CCSP474201武汉市地方标准DB4201/T671—2023城镇燃气管道工程(次高压及以下)消耗量标准Standardmethodofmeasurementforcitygaspipelineconstructionconsumption(sub-highpressureandbelow)2023-04-11发布2023-05-11实施武汉市市场监督管理局发布标准下载标准下载I目次前言.......................................................