Home / Standards / GB/T 18916.47-2020 GB/T 18916.47-2020 Active Norm of water intake—Part 47: Polysilicon production 取水定额 第47部分:多晶硅生产 Standard Type GBT ICS 13.060.25 CCS P41 Status 现行 Issue Date 2020-03-31 Implementation 2020-10-01 Responsible Dept 国家标准委 Drafting Unit N/A