Home / Standards / GB/T 33444-2016 GB/T 33444-2016 Active Specification for exploration of solid mineral resources 固体矿产勘查工作规范 Standard Type GBT ICS 73.020 CCS D10 Status 现行 Issue Date 2016-12-30 Implementation 2017-07-01 Responsible Dept 自然资源部(国土) Drafting Unit N/A