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CN112275964A
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Steel bar spacing positioner
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Conical punch hammer for rotary excavating and punching composite dry-method pore-forming in earth and rock high backfill area
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Waterproof base of various steel sheet roofing fan
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Support upright post for rectangular grid steel frame
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Construction method for protecting static pressure steel casing of manual bored pile with water-bearing sand interlayer
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Steel reinforcement cage manufacturing equipment and using method thereof
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Bubble enrockment light soil assembled barricade is used for straight-arm widening of subgrade construction method
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Tunnel frequency conversion air compressor group intelligent power air feed system and construction method
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Without the double-deck arc drill-pouring deep footing groove enclosing structure of support and excavation construction method
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Continuous beam with high-pier end bay Cast-in-Situ Segment and closure section integrated construction system and construction method
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Counter-slope system and its excavation method are protected close to existing railway high slope active network
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A kind of hydraulic dynamic compaction machinery cooperates the construction method of backfill with plate road packer
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A kind of movable units support frame and the construction method for box-structure
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A kind of construction method of installation T-type ductile iron pipe
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The overlapping construction method of multilayer cast-in-situ box girder
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The loads such as the cast-in-place platform simulation of great-leap-forward bridge are segmented precompressed construction method
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A kind of pile base construction method for passing through full packing type solution cavity
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A kind of construction method of Cast-in-situ Beam bracket basis cushion layer structure
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A kind of construction method of frame bank protection
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Construction method of double-track small-clear distance large-section jointed rock mass subway tunnel
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