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Drilling rig stair tower with integrated utility lines and cable tray
Drilling rig stair tower with integrated utility lines and cable tray
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机译:带有集成电线和电缆桥架的钻机楼梯塔
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摘要
A stair tower for a drilling rig is disclosed, the stair tower including a frame, one or more stair flights and platforms positioned within and mechanically coupled to the frame, and a cable tray pivotably coupled to the frame.
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