Home / Standards / GB/T 33825-2017 GB/T 33825-2017 Active Steel/copper composite rod and wire for hermetically sealed relay 密封继电器用钢包铜复合棒线材 Standard Type GBT ICS 77.150.30 CCS H62 Status 现行 Issue Date 2017-05-31 Implementation 2017-12-01 Responsible Dept 中国有色金属工业协会 Drafting Unit N/A