Home / Standards / GB/T 13975-1992 GB/T 13975-1992 Active Direct current amplifiers--Characteristics and test methods 直流放大器特性和测试方法 Standard Type GBT ICS 33.160.10 CCS F81 Status 现行 Issue Date 1992-12-17 Implementation 1993-07-01 Responsible Dept 国家标准委 Drafting Unit N/A