| 1. | Steel - concrete masts for simplex circuits up to 20 kv 第1部分:最高可达20kv的单工电路用钢筋混凝土天线杆 |
| 2. | Half - duplex wireless calling system 单工无线呼叫系统 |
| 3. | Two - way simplex circuit 双向单工电路 |
| 4. | The specifications and test methods for 450 mhz same different - frequency simplex train radio dispatching equipment 450mhz同异频单工列车无线调度设备技术要求和试验方法 |
| 5. | Optical fibre cables - part 2 - 40 : indoor cables ; family specification for simplex and duplex cables with buffered a4 fibres 光缆.第2 - 40部分:室内光缆.带a4缓冲层包覆光纤的单工和双工光缆的类规范 |
| 6. | Optical fibre cables - part 2 - 50 : indoor optical fibre cables - family specification for simplex and duplex cables for use in patch cords 光缆.第2 - 50部分:室内光缆.接插线中使用的单工和双工电缆的系列规范 |
| 7. | Strowger system introduced in australia and new zealand . development of key - type impulse sender , and simplex dialing on toll lines 澳大利亚和新西兰引进史端乔系统。开发键式脉冲发送器和长途电话线单工拨号。 |
| 8. | Optical fibre cables - part 2 - 10 : indoor cables - family specification for simplex and duplex cables iec 60794 - 2 - 10 : 2003 ; german version en 60794 - 2 - 10 : 2003 光学纤维电缆.第2 - 10部分:室内光缆.单工光缆和双工光 |
| 9. | Corrigendum 1 - optical fibre cables - part 2 - 40 : indoor cables - family specification for simplex and duplex cables with buffered a4 fibres 勘误1 .光缆.第2 - 40部分:室内光缆.含a4缓冲层包覆光纤的单工和双工电缆的类规范 |
| 10. | A real time control protocol for simplex applications using lsd hsd mlp channels of the fram structue for a 64to 1920kbit s channel in audiovisual teleservices 采用视听电信业务中64 1920kbit s信道帧结构的lsd hsd mlp信道单工应用的实时控制协议 |