插座、插头和其它连接物(电器连接) Sockets, plugs and other contacts [electric connections]
插头、插座及其他接触器(电接头) Plugs, sockets and other contacts [electric connections]
表面覆有带电导体的玻璃 Glass covered with an electrical conductor
光学纤维(光导单纤维) Optical fibers [fibres] [light conducting filaments]
螺线管阀(电磁开关) Solenoid valves [electromagnetic switches]
真空电子管(无线电) Vacuum tubes [radio]
螺线管阀(电磁开关) Valves (Solenoid –) [electromagnetic switches]
方铅晶体(检波器) Galena crystals [detectors]
光导丝(光学纤维) Light conducting filaments [optical fibers [fibres]]
光电开关(电器) Cell switches [electricity]
扼流线圈(阻抗) Coils (Choking –) [impedance]
贵重金属电器插头 Contacts, electric, of precious metal
灯光调节器(电) Dimmers [regulators] (Light –) [electric]
配电控制台(电) Distribution consoles [electricity]
灯光调节器(电) Light dimmers [regulators] [electric]
照明设备用镇流器 Lighting ballasts
电线接线器(电) Wire connectors [electricity]
合金线(保险丝) Wires of metal alloys [fuse wire]
扫描灯及筒灯系列 scanner & barrel light
扼流圈(阻抗) Choking coils [impedance]
非照明用放电管 Discharge tubes, electric, other than for lighting



