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发明名称
Aluminum alloy containing mischmetal
摘要
申请公布号
US2656270(A)
申请公布日期
1953.10.20
申请号
US19490121217
申请日期
1949.10.13
申请人
RUSSELL JAMES B
发明人
RUSSELL JAMES B.
分类号
C22C21/00
主分类号
C22C21/00
代理机构
代理人
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