Home / Standards / GB/T 29847-2025 GB/T 29847-2025 Active Test methods for copper foil used for printed boards 印制板用铜箔测试方法 Standard Type GBT ICS 31.030 CCS L90 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 国家标准委 Drafting Unit N/A