Home / Standards / GB 1259-2007 GB 1259-2007 Active Working chemical - Potassium dichromate 工作基准试剂 重铬酸钾 Standard Type GB ICS 71.040.30 CCS G61 Status 现行 Issue Date 2007-02-02 Implementation 2007-11-01 Responsible Dept 工业和信息化部 Drafting Unit N/A