| 摘要 |
PURPOSE: A cage for construction work having extension function is provided to correspond appropriately to various shape changes at construction of a building having design efficiency. CONSTITUTION: A cage for construction work(100) having extension function contains: a frame(10) having a vertical protection frame(11) assembled with a protection net(15); an extension frame(20) assembled to be movable on the upper part of the frame; a slide device(30) safely moving the extension frame horizontally from the frame.
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