Home / Standards / GB 17051-1997 GB 17051-1997 Active Hygienic specification for facilities of secondary water supply 二次供水设施卫生规范 Standard Type GB ICS 13.060 CCS C51 Status 现行 Issue Date 1997-11-11 Implementation 1998-12-01 Responsible Dept 国家疾控局 Drafting Unit N/A