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Arch frame hole cutting die
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Tunnel steel bow member connecting plate positioner
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Simple control device for perpendicularity of pier column under assembled bridge
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Cable-stayed bridge rope locking device and using method thereof
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Bridging device with anchoring function
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A trolley for girder steel bridging machine
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Concrete slump measuring device and concrete slump measuring method
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Assembled bracket
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Construction process of main bridge of double-tower single-cable-plane short-tower cable-stayed bridge
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A remove support device for tunnel construction illumination
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Operating platform for maintaining top of tunnel
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Tunnel intersection small pilot tunnel construction method
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Device for accurately adjusting wedge-shaped block at plate end of precast beam
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Tunnel multi-section three-dimensional intersection construction method
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Portable pipeline transportation device
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Device for testing positioning precision of guide pipe of cable-stayed bridge cable
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Supporting device for concrete cofferdam in deep water area and construction process thereof
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Sealing cable saddle for cable-dividing pipe of short-tower cable-stayed bridge
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Mobile electronic projection device for measuring pay-off
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Accelerating agent suitable for sprayed concrete and preparation method thereof
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