可复用式瓦斯钻孔两堵一注一体式坐封封隔器应用技术要求Technicalrequirementsfortheapplicationofreusablegasdrillingtwo-block-one-iniectionintegratedset-and-sealpacker

ICS73.040CCS B1110I/GRM中关村绿色矿山产业联盟团体标准T/GRM131—2025可复用式瓦斯钻孔两堵一注一体式坐封封隔器应用技术要求Technical requirements for the application of reusable gas drillingtwo-block-one-injection integrated set-and-seal packer国团2025-08-11发布2025-08-11实施中关村绿色矿山产业联盟发布