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Lining segment for shield receiving engineering horizontal micro-freezing stratum and construction method thereof
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New construction method for digging and building inclined shaft of coal mine
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Machine position attachment device of integral climbing scaffold for prefabricated assembly type building construction
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Assembled discharging platform for high-rise building construction and construction method thereof
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Construction method for subway tunnel mine with upper soft and lower hard rock stratum in high karst area
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Shield type anchor rod trolley with split type operation platform
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Reinforcing structure for attached scaffold for building
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Intelligent full-hydraulic drilling, anchoring and protecting four-arm integrated machine for coal mine
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Intelligent full-hydraulic drilling, anchoring and protecting three-arm integrated machine for coal mine
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Back pressure system for restraining horizontal displacement of foundation pit support structure and construction method thereof
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Object hoisting and damping device for assembly type building construction
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Assembled hoisting frame for building construction
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Embedded steel bar positioning and grouting method for PC component construction
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Anti-cracking anti-seismic hollow floor hollow body
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shield type anchor rod trolley
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One kind is folded to pour formula diaphram wall and its construction method
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It is placed in the pipe well for lower water of diaphram wall bottom
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Meet the diaphram wall that pitted surface has precipitation function concurrently
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A kind of aqueous coal drying dedusting integrated device
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A kind of mining ore-dressing plant
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