GB/T 1418-1995
电信设备通用文字符号
Letter symbols for telecommunication equipment
1995-04-06
TB/T 1398-2001
机车电气设备文字符号
2001-05-28
CB/T 3713-1995
船舶电气设备文字符号
1995-06-19
JB/T 5872-1991
高压开关设备电气图形符号及文字符号
Electrical symbols and letter symbols for high-voltage switch gears
1991-10-15
GB/T 30096-2013
实验室仪器和设备常用文字符号
Major letter symbols for laboratory instrument and equipment
2013-12-17
FZ/T 90109-2011
纺织机械电气设备 电气图形文字符号
Electrical equipment for textile machinery-Electrical graphical and letter symbols
2011-12-20
JB/T 2626-2004
电力系统继电器、保护及自动化装置 常用电气技术的文字符号
General letter symbols in electrotechnology for relays, protection and automation equipment of power system
2004-10-20