CN111549654A
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Prevent roof beam shock mount that falls
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CN111608070A
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Large-span bridge damping support
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CN111576190A
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Prevent integrative protection device of roof beam that falls
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CN111567314A
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Wind-resistant device for street tree
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CN111549651A
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Variable damping prevents roof beam structure that falls
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CN111501514A
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Assembled bridge capable of effectively absorbing shock
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Maintenance lifting platform for bridge double-column type pier
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Perforating device is used at building bridge job site
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Reinforced concrete frame structure
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Frame structure for preventing cast-in-place floor slab from improving bending resistance of frame beam
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Float linkage painting device
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Decorative paint coating device capable of driving buoy to rotate and coating color paint
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Artificial jade spar material and preparation method thereof
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Process for preparing treating agent of industrial sewage
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