Home / Standards / GB/T 4722-2017 GB/T 4722-2017 Active Test methods for rigid copper clad laminates for printed circuits board 印制电路用刚性覆铜箔层压板试验方法 Standard Type GBT ICS 31.180 CCS L30 Status 现行 Issue Date 2017-05-31 Implementation 2017-12-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A