Home / Standards / GB/T 4439-1984 GB/T 4439-1984 Abolished Industrial process measurement and control instrument operating conditions--Vibration 工业自动化仪表工作条件 振动 Standard Type GBT ICS 25.040.40 CCS N10 Status 废止 Issue Date 1984-05-30 Implementation 1985-04-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A