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经营范围
发明名称
Aluminum alloy
摘要
申请公布号
US2280174(A)
申请公布日期
1942.04.21
申请号
US19400359244
申请日期
1940.10.01
申请人
ALUMINUM COMPANY OF AMERICA
发明人
STROUP PHILIP T.
分类号
C22C21/12
主分类号
C22C21/12
代理机构
代理人
主权项
地址
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