Home / Standards / GB/T 11378 GB/T 11378 Active Metallic coatings—Measurement of coating thickness—Profilometric method 金属覆盖层 覆盖层厚度测量 轮廓仪法 Standard Type GBT ICS 25.220.40 CCS A29 Status 现行 Issue Date 2025-10-31 Implementation 2026-05-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会