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Manufacturing method of positioning device for batch tensioning of steel strands of pre-tensioned precast beam
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Manufacturing method of movable prestress tensioning and shoring combined device
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Pile core soil sampling device
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Support-free system for hoisting hole of box-type foundation and filling method for hoisting hole
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Construction method of steel bar truss floor support plate
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Installation method of longitudinal beam and transverse beam of air box of belt sintering machine
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Construction method of middle school cultural relic center steel truss roof
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Method for mounting shear wall template of elevator shaft
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Construction method of high-fill super-thick weighing concrete retaining wall
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Construction method of cast-in-situ overhanging floating window plate
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Waterproof treatment method for vault basement porous wall
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Grouting device for building construction
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Manufacturing method of double-layer bidirectional concrete cushion block mold
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Pipeline leakage repair clamp
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High-strength steel structure support
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Vertical pipeline fixing support and manufacturing method thereof
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Appurtenance of gypsum board cutting
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Foot-operated hand washing device used in epidemic situation period
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Aluminum alloy groove buckle cover for outdoor brightening wiring of glass curtain wall and mounting method
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Urine sensor installation method
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