Home / Standards / GB 30039-2013 GB 30039-2013 Active Safety specification for tungsten carbide powder producing 碳化钨粉安全生产规程 Standard Type GB ICS 13.100 CCS H09 Status 现行 Issue Date 2013-12-17 Implementation 2014-11-01 Responsible Dept 应急管理部 Drafting Unit N/A