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NEW COMPOSITIONS FOR GUIDELINES AND GUIDELINES RELATED BETWEEN SILICATION
NEW COMPOSITIONS FOR GUIDELINES AND GUIDELINES RELATED BETWEEN SILICATION
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机译:征求意见之间相关的准则和准则的新组合
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摘要
Foundry mold and core compositions comprising sand, a silicate binder and a hardening agent include an alumina "demolding" agent having an average grain size distribution of less than 40 mu , preferably between 0.2 and 5 mu .
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