Home / Standards / GB/T 18916.27-2017 GB/T 18916.27-2017 Active Norm of water intake—Part 27:Urea 取水定额 第27部分:尿素 Standard Type GBT ICS 13.060.25 CCS P41 Status 现行 Issue Date 2017-05-12 Implementation 2017-12-01 Responsible Dept 国家标准委 Drafting Unit N/A