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发明名称
Silver-thallium bearing
摘要
申请公布号
US2375224(A)
申请公布日期
1945.05.08
申请号
US19410406841
申请日期
1941.08.14
申请人
P. R. MALLORY & CO., INC.
发明人
HENSEL FRANZ R.
分类号
C22C5/06;F16C33/12
主分类号
C22C5/06
代理机构
代理人
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