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发明名称
Silver copper alloy
摘要
申请公布号
US2196302(A)
申请公布日期
1940.04.09
申请号
US19390257667
申请日期
1939.02.21
申请人
P. R. MALLORY & CO., INC.
发明人
HENSEL FRANZ R.;EMMERT KENNETH L.;WIGGS JAMES W.
分类号
B23K35/30;C22C5/06
主分类号
B23K35/30
代理机构
代理人
主权项
地址
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