Home / Standards / GB/T 777-2008 GB/T 777-2008 Active Analogue pneumatic signal for industrial-process measurement and control instruments 工业自动化仪表用模拟气动信号 Standard Type GBT ICS 25.040.40 CCS N10 Status 现行 Issue Date 2008-06-30 Implementation 2009-01-01 Responsible Dept 中国机械工业联合会 Drafting Unit N/A