| 1. | Machine taps for steel conduit thread pg 7 to pg 48 Pg7至pg48钢管螺纹用机械丝锥 |
| 2. | Extra heavy - duty electrical rigid steel conduits 电气装置用特重型刚性布线钢管 |
| 3. | Sets of two taps for steel conduit thread pg 7 to pg 48 Pg7至pg48钢管螺纹用二件一套的丝锥 |
| 4. | Specification - steel conduit and fittings for electrical wiring 电气布线用钢导线管和管接头 |
| 5. | Extra - heavy duty rigid steel conduits for electrical installations 电气安装用超重荷型刚性钢导管 |
| 6. | Circular screwing dies for steel conduit thread , pg 7 to pg 48 Pg7至pg48钢管螺纹加工用圆板牙 |
| 7. | Liquid - tight flexible steel conduit 耐液体渗透的钢制柔性导线管 |
| 8. | Liquid - tight flexible steel conduit 防液渗的柔性钢导管 |
| 9. | Gcr rigid steel conduit - zinc coated 镀锌刚性钢导管 |
| 10. | Steel conduit thread ; dimensions 钢制导线管螺纹.尺寸 |