When in use, the pin pulling device has extremely convenient operation, simple structure and relatively low manufacture cost;
使用该拔销装置操作非常方便，结构也较简 单，其制作成本相对较低；
The utility model provides a novel supporting pulling device which is provided with a screw rod connected with the center of an adjusting supporting body through inner threaded holes.
本实用新型提供了一种新颖的顶拔器，它有一根螺杆与调节支承体的中心内螺孔联接。
Synopsis introduced the design, installation and the use of the electric cable runway and pulling device, which has achieved good results and improved the efficiency of the labor force.
简要介绍了电缆跑道拉移装置的设计、安装和使用，并在工作实践中得到了良好的效果，大大地提高了劳动效率。
When the simple wire-pulling device for driving curtain is installed and used, the curtain can be opened towards both sides as required and the curtain can also be opened towards one side.
适合各种规格的窗口使用，安装使用时，根据需要窗帘可以向两边开，也可以向一边开。
When the simple wire-pulling device for driving curtain is installed and used, the curtain can be opened towards both sides as required and the curtain can also be opened towards one side.
适合各种规格的窗口使用，安装使用时，根据需要窗帘可以向两边开，也可以向一边开。
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