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发明名称
Improved core molding compositions
摘要
申请公布号
GB866912(A)
申请公布日期
1961.05.03
申请号
GB19570025089
申请日期
1957.08.08
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
分类号
B22C1/24
主分类号
B22C1/24
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代理人
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