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发明名称
Copper-thorium alloys
摘要
申请公布号
US2136548(A)
申请公布日期
1938.11.15
申请号
US19370164034
申请日期
1937.09.15
申请人
P. R. MALLORY & CO., INC.
发明人
HENSEL FRANZ R.;LARSEN EARL I.
分类号
C22C9/00
主分类号
C22C9/00
代理机构
代理人
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