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Volute-simulated type noise elimination and ventilation device and using method thereof
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Early warning formula bellows of two-way flexible inflation
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Corrugated expansion joint for saline-alkali soil pipeline laying
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Block bellows scrub dredger
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The screw tap drift holder of tapping is convenient in a kind of bellows installation
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The electric angle grinder of bellows tube seat can be opened up
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A kind of tube body with detergent power
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It deforms bellows and repairs auxiliary tool
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A kind of pre-buried bellows of channel hydraulic pipeline
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A kind of bellows coupling
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Advanced bellows
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A kind of device that steel pipe is become to steel bar
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High strength helical formula wavy metal culvert pipe
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A kind of multi-purpose type corrugated pipe connector
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High-pressure gas cylinder welding tool
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Station type flexible pipe shear
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Corrugated tube bearing device
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Star discharge valve
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Novel conveyor
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Novel manual clamping device
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