Home / Standards / GB/T 3455-1982 GB/T 3455-1982 Active Electrical characteristics for unbalanced double-current interchange circuits 非平衡双流接口电路的电特性 Standard Type GBT ICS 33.040.50 CCS L78 Status 现行 Issue Date 1982-12-31 Implementation 1983-10-01 Responsible Dept 国家标准委 Drafting Unit N/A