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发明名称
Molding sand compositions
摘要
申请公布号
US2686729(A)
申请公布日期
1954.08.17
申请号
US19520265214
申请日期
1952.01.05
申请人
MINCO PRODUCTS CORPORATION
发明人
BARRY DAVITT W.
分类号
B22C1/18
主分类号
B22C1/18
代理机构
代理人
主权项
地址
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