CN112211404A
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Bolt device with adjustable length
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CN112211401A
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Pipeline mold for pouring high-column concrete and construction method thereof
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CN112211196A
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Protection device and protection method for preventing soil from flowing backwards into pile core in pipe pile construction
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CN112276572A
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Semi-automatic cutting device for arc roof board and using method thereof
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CN112252761A
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Outer wall deformation joint reinforcing device and reinforcing method
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CN112195913A
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Positioning device for reinforcement cage in mountain construction process and construction method thereof
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CN112031413A
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Water collecting wellhead part mold and using method thereof
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CN112148040A
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Liquid experimental device capable of automatically keeping liquid volume constant
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CN112176995A
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Arc-shaped anchor rod construction method
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CN112112190A
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Large-volume multi-hole coke oven top plate segmented construction structure and construction method thereof
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CN112031408A
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Device for simultaneously pouring concrete with different strength grades and using method
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CN112031479A
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Linear accelerator radiotherapy room structure and construction method thereof
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CN112033466A
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Dampproofing fixed humiture detector
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CN112087446A
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Data reporting method based on LWM2M protocol
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CN112031046A
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Tool and method for measuring thickness of cast-in-place pile sediment
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CN112054666A
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Current correction topological circuit based on bidirectional boost type lossless conversion
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CN112164559A
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Self-adaptive variable-range current transformer
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CN112126728A
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Construction method for positioning and welding blast furnace top flange
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CN112177322A
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Support embedded in lower floor slab and used for supporting upper floor slab and construction method thereof
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CN112027928A
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Rapid installation device for fan-shaped purlines and application method thereof
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