发明名称 SPHERICAL MOLDING SAND
摘要 <p>Disclosed is a spherical molding sand having an average particle diameter of 0.03-1.5 mm which is produced by a flame fusion method. The spherical molding sand is used together with an urethane binder.</p>
申请公布号 WO2006082949(A1) 申请公布日期 2006.08.10
申请号 WO2006JP301931 申请日期 2006.01.31
申请人 KAO CORPORATION;KATO, MASAYUKI;INA, YOSHIMITSU 发明人 KATO, MASAYUKI;INA, YOSHIMITSU
分类号 B22C1/00 主分类号 B22C1/00
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