| 1. | Conduit for electrical wiring ; screwed steel conduit , plain conduit , couplers 电线导管.带螺纹钢制导管普通导管和管接头 |
| 2. | Conduit for electrical wiring ; arches for steel armoured conduits and plain conduits 电气布线用导管.钢制铠装管和普通管用的弯管头 |
| 3. | General specifications for plain conduits of flame - retardant pvc plastics for electrical installations 电气安装用阻燃pvc塑料平导管通用技术条件 |
| 4. | Specification for conduits for electrical installations . part 2 : particular specification for rigid plain conduits of insulating materials 电气设备用导管规范.第2部分:普通刚性绝缘材料导管的特殊规范 |
| 5. | Conduits and fittings for electrical installation ; rigid non - flame propagating insulating conduits and fittings , plain conduits couplers and bends for medium and heavy pressure strength 电气设备用导管和配件.第1部分:刚性耐火传导式绝缘导 |
| 6. | Conduits and fittings for electrical installation ; rigid nonflame propagating insulating conduits and fittings ; plain conduits with coupler and bends with coupler for light pressure strength 电气设备用导管和管接头.刚性非火焰扩散绝缘导管和管 |
| 7. | Conduits and fittings for electrical installation ; rigid non - flame propagating insulating conduits and fittings ; plain conduits with coupler and bends with coupler for medium and heavy pressure strength 电气装置用导管和附件.刚性无焰传播的绝缘材料管和附 |