Home / Standards / GB/T 31554-2015 GB/T 31554-2015 Active Non-magnetic metallic coatings on metallic and non-metallic basismaterials—Measurement of coating thickness—Phase-sensitive eddy-current method 金属和非金属基体上非磁性金属覆盖层 覆盖层厚度测量 相敏涡流法 Standard Type GBT ICS 25.220.40 CCS A29 Status 现行 Issue Date 2015-05-15 Implementation 2016-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A