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High pressure modeling molding sand and preparation method thereof
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CN104475658A
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Middle-small cast iron molding sand and preparation method thereof
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CN104475652A
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Anti-shakeout molding sand and preparation method thereof
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Carbon steel cast molding sand and preparation method thereof
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Concrete-containing waste residue molding sand and preparation method thereof
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CN104475642A
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Anti-shakeout foundry molding sand and preparation method thereof
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Clay foundry molding sand and preparation method thereof
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CN104475660A
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Rare earth-containing foundry molding sand and preparation method thereof
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CN104475654A
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Rapid heat dissipation foundry molding sand and preparation method thereof
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CN104475655A
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Good plasticity mold core molding sand and preparation method thereof
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CN104475661A
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High gas-permeability mold core molding sand and preparation method thereof
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CN104475657A
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Machine tool cast molding sand and preparation method thereof
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CN104475648A
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Resin molding sand with characteristics of high heat-resistance and gas permeability, and preparation method thereof
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CN104475659A
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Machine modeling efficient chilling molding sand and preparation method thereof
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Heat resistance and good plasticity molding sand and preparation method thereof
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CN104475653A
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High gas-permeability molding sand and preparation method thereof
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CN104475650A
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Anti-adhesion cast molding sand and preparation method thereof
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CN104475644A
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Foundry modeling facing sand and preparation method thereof
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CN104475649A
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Small steel cast molding sand and preparation method thereof
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Anti-caking foundry molding sand and preparation method thereof
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