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CN111390121A
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High-efficient one goes out many valve caps psammitolite mould casting device
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CN111482555A
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High-efficient one goes out many valve caps sand box mould
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CN111390124A
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Stable form flange psammitolite casting mould device
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CN111360205A
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One-outlet-multiple efficient gland sand core die
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Combined efficient sand mold and using method
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Shakeproof sand mold bearing device
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One-outlet two-flange sand core die casting device
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CN111482583A
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Large-bearing efficient self-opening-closing positioning casting mold and using method
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CN111390108A
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Flange rapid forming efficient flange mold structure and casting method
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CN111390145A
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Casting mould of high-efficient steadiness
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CN110145637A
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A kind of water check valve for being conveniently replaceable and clearing up
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CN110159851A
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A kind of flange for valve body combination connection
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CN110080344A
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A kind of fire hydrant convenient for unlatching
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CN110142903A
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A kind of pipe fitting straight tube casting forming die
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CN110094521A
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A kind of regulating valve of adjustable water flow velocity
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CN110014126A
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A kind of ring flange mold facilitating ejection
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CN110093472A
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A kind of gray cast iron production method for high-intensitive valve body
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A kind of production method producing high-quality magnesium iron using conversion pig
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CN110107732A
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A kind of novel soft sealed gate valve handwheel
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A kind of corrosion resisting stainless steel precise forming technique
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