Home / Standards / GB/T 25149-2010 GB/T 25149-2010 Active Quality test method of passive film on carbon steel of chemical cleaning for industrial equipment - Red dot method 工业设备化学清洗中碳钢钝化膜质量的测试方法 红点法 Standard Type GBT ICS 71.120.01 CCS G90 Status 现行 Issue Date 2010-09-26 Implementation 2011-03-01 Responsible Dept 中国石油和化学工业联合会 Drafting Unit N/A