Home / Standards / GB/T 12129-1989 GB/T 12129-1989 Abolished Characteristics and test methods for time-to-amplitude converters 时(间)-幅(度)变换器测试方法 Standard Type GBT ICS 17.240 CCS F84 Status 废止 Issue Date 1989-12-29 Implementation 1990-07-01 Responsible Dept 国家标准委 Drafting Unit N/A