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经营范围
发明名称
Aluminium alloy
摘要
申请公布号
US1899465(A)
申请公布日期
1933.02.28
申请号
US19300450877
申请日期
1930.05.08
申请人
OTTO KAMPS
发明人
KAMPS OTTO
分类号
C22C21/00
主分类号
C22C21/00
代理机构
代理人
主权项
地址
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