GB/T 4728.8-2022电气简图用图形符号第8部分:测量仪表、灯和信号器件国家标准
英文:Graphical symbols for electrical diagrams—Part 8:Measuring instruments, lamps and signalling devices GB/T 4728.8-2022...
英文:Graphical symbols for electrical diagrams—Part 8:Measuring instruments, lamps and signalling devices GB/T 4728.8-2022...