工业过程测量和控制用带电接点控制装置的自动平衡式记录仪和指示仪 技术条件
Specifications of self-balance recorders and indicators with electric contacts for industrial-process measurement and control systems
1999-08-06
GB/T 9249-2008
工业过程测量和控制系统用自动平衡式记录仪和指示仪
Self-balance recorders and indicators for use in industrial-process measurement and conrol systems