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2023
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Invention
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Transverse movement device for replacement of track beam anchor bolt. A transverse movement devic... |
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Invention
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Hoisting system for track beam anchor rod replacement. The present invention relates to the field... |
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Invention
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Lateral limiting apparatus for spatial special-shaped arch rib construction. The present inventio... |
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Invention
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Space special-shaped arch rib supporting and adjusting device. The present invention relates to t... |
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2022
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Invention
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Hoisting system and hoisting method. A hoisting system and a hoisting method. The hoisting system... |
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Invention
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Lock-type steel pipe pile cofferdam for cemented pebble geology. The present utility model relate... |
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Invention
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Assembling device and construction method. Provided are an assembling device and a construction m... |
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Invention
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Internal and external corner construction structure and construction method. The present applicat... |
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Invention
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Grinding mechanism for formwork of tunnel lining trolley, and tunnel construction apparatus. Disc... |
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Invention
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Large-span space special-shaped arch rib flying-swallow type basket steel box arch bridge and rap... |
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2021
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Invention
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Protective casing guide frame structure. A protective casing guide frame structure, comprising a ... |
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Invention
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Pile casing hoisting arm. Provided is a pile casing hoisting arm that is applied in the technical... |
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Invention
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Fixing device for slabs, and transport device. A fixing device for slabs, and a transport device,... |
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Invention
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Steel track beam installation mould. Provided by the present utility model is a steel track beam ... |
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2020
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Invention
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Positioning device for swivel rotating piece at pier top of swivel beam. A positioning device for... |
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Invention
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Straddle type track beam transporter and use method thereof. Disclosed are a straddle type track ... |
