ICS27.100F20备案号_42606-2014D中华人民共和国电力行业标准DL_T977-2013代替DL_T977-2005发电厂热力设备化学清洗单位管理规定Managerialregulationsforenterpriseundertakingchemicalcleaningofthermalequipmentinpowerplant

ICs27.100F20备案号：42606-2014DL中华人民共和国电力行业标准DL/T977一2013代替DL/T977一2005发电厂热力设备化学清洗单位管理规定Managerial regulations for enterprise undertaking chemical cleaningof thermal equipment in power plant2013-11-28发布2014-04-01实施国家能源局发布