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Constructional column formwork reinforcing apparatus with feeding function
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Protective structure in steel structure building roof board renewing engineering
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Construction method and device based on assembled waterproof construction joint water stop
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Self-lifting construction elevator cage
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Gravity-center-adjustable overhanging discharging platform
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Masonry mortar masonry construction device
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Reinforcing device and reinforcing method for construction column template at right angle position
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A firm concrete ground levelly and smoothly installs for building site
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Construction method for quickly removing inner support of foundation pit support
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Chiseling-free construction method for connecting stubbles of stair step construction joints
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High-efficient system of standing up of roof truss
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Construction method for water-stopping steel plate of horizontal construction joint at buttress column without penetrating stirrup
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Piezoelectric solidified soil for in-situ detection of sludge solidification and preparation method thereof
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In-situ integrated testing device for sludge solidification and field construction method thereof
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In-situ testing method for sludge solidification
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In-situ test evaluation method for sludge solidification
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Forming device and method for assisting welding of arc-shaped steel grating
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Precast concrete assembled building exterior envelope link plate overhanging scaffold shaped steel and support body insurance and unloading device
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Horizontal paying-off hole protecting device and system
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Unsupported self-supporting profile steel platform
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