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CN112049153A
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Adjustable template platform for well periphery concrete pouring
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CN112101593A
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General investigation method and system for drainage pipe network
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CN110820948A
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Noise reduction device for road construction
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CN110809992A
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Grass mowing device
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CN110886224A
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Supporting device for bridge construction and using method thereof
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CN110670473A
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Connecting structure of prefabricated steel-concrete composite beam and construction method thereof
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CN110469052A
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Steel-concrete composite beam connector, steel-concrete composite beam and manufacturing method
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CN109887090A
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Bridge maintenance visiting method and device based on AR
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CN109452019A
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Hedge trimming device
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CN109439011A
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The production method and environment-friendly materials of environment-friendly materials
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CN109365186A
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A kind of trees maintenance spray equipment
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CN109451953A
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Grass-mowing machine protective device and grass-mowing machine
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CN109435023A
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For ground well body structure Prefabricated block mold and method is applied in combination
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CN109056506A
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Plug-in type post-tensioning prestressing without bondn section assembling concrete pier of steel tube
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CN108018883A
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A kind of well lid locking method, well lid locking structure and inspection shaft
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CN107990864A
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A kind of tunnel section gauge method and device
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CN107882045A
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A kind of slope protection structure
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CN108104166A
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A kind of ground well body structure and construction method
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CN107328443A
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Management system for monitoring based on intelligent well cover
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CN107326935A
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It is a kind of to monitor the intelligent well cover of damaged, loss and vehicle flowrate
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