Home / Standards / GB/T 45340-2025 GB/T 45340-2025 Active Metallic and other non-organic coatings—Measurement of coating thicknesses—Fizeau multiple-beam interferometry method 金属及其他无机覆盖层 镀层厚度的测量 斐索多光束干涉法 Standard Type GBT ICS 25.220.20;25.220.40 CCS A29 Status 现行 Issue Date 2025-02-28 Implementation 2025-09-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A