Electrical and pneumatic analogue chart recorders for use in industrial process control systems - Part 2: Guidance for inspection and routine testing (IEC 60873-2:2004); German version EN 60873-2:2004
工业过程控制系统用电气和气动模拟图表记录仪.第2部分:检验和例行试验指南(IEC 60873-2-2004);德文版EN 60873-2:2004