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发明名称
Duplex metal article
摘要
申请公布号
US2312039(A)
申请公布日期
1943.02.23
申请号
US19410410601
申请日期
1941.09.12
申请人
ALUMINUM COMPANY OF AMERICA
发明人
HOGLUND GUSTAV O.
分类号
B23K35/28;B32B15/01
主分类号
B23K35/28
代理机构
代理人
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地址
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