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经营范围
发明名称
Aluminum alloys
摘要
申请公布号
US1932839(A)
申请公布日期
1933.10.31
申请号
US19320634157
申请日期
1932.09.21
申请人
ALUMINUM COMPANY
发明人
DEAN WALTER A.;KEMPF LOUIS W.
分类号
C22C21/06
主分类号
C22C21/06
代理机构
代理人
主权项
地址
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