JB/T 9232-1999
仪器仪表旋钮 技术条件
Specification of knob for instruments
1999-08-06
JB/T 9472-2013
仪器仪表用电连接器通用技术条件
General specifications of electrical connectors for instrument
2013-04-25
JB/T 9298-1999
仪器仪表用电子电源变压器通用技术条件
Generic specification of electronic power supply Transformers for use in instrument
1999-08-06