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CN109930672A
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Cope with the blowdown pipe fitting of surface subsidence
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CN109931447A
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Mute hollow corrugation pipe fitting
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CN109930671A
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With the blowdown pipeline from blowdown performance
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CN109931457A
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The mute bellows of automatically cleaning
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CN109931453A
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Assembly type sealing excretion pipe fitting
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CN109931444A
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Dredge helical corrugation pipe fitting in tunnel
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CN109931459A
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Water delivery pipe fitting for ring type trickle irrigation
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CN109924109A
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Dripping water transport pipe part
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CN109931441A
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Seal tunnel bellows
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CN109931451A
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Pressure stabilizing plumbing sealed pipe fittings
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CN108953780A
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A kind of low-pressure water delivery irrigation pipe
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CN108953841A
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A kind of Buried PE Gas Pipe
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CN108953777A
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A kind of polyethylene double-wall corrugated pipe
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CN108953814A
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A kind of water supply polyethylene pipe
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CN108953782A
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A kind of aluminum alloy lining plastic composite pipe
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CN108953786A
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A kind of PP mute drainage pipe and pipe fitting
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CN108953789A
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A kind of hot and cold water heat-resisting polyethylene tube
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