Home / Standards / GB/T 28628-2012 GB/T 28628-2012 Active Test method for air ion concentration of materials 材料诱生空气离子量测试方法 Standard Type GBT ICS 91.100.01 CCS Q61 Status 现行 Issue Date 2012-07-31 Implementation 2013-02-01 Responsible Dept 中国建筑材料联合会 Drafting Unit N/A