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发明名称
Mold coating
摘要
申请公布号
US2426988(A)
申请公布日期
1947.09.09
申请号
US19420465484
申请日期
1942.11.13
申请人
ALUMINUM COMPANY OF AMERICA
发明人
DEAN WALTER A.
分类号
B22C3/00
主分类号
B22C3/00
代理机构
代理人
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