Home / Standards / GB/T 3369-1989 GB/T 3369-1989 Abolished Analogue direct current signals for industrial process measurement and control instruments 工业自动化仪表用模拟直流电流信号 Standard Type GBT ICS 25.040.40 CCS N10 Status 废止 Issue Date 1989-03-31 Implementation 1990-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A