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经营范围
发明名称
Aluminum thallium bearing
摘要
申请公布号
US2531910(A)
申请公布日期
1950.11.28
申请号
US19450630354
申请日期
1945.11.23
申请人
P. R. MALLORY & CO. INC.
发明人
HENSEL FRANZ R.;LARSEN EARL I.
分类号
C22C21/00;F16C33/12
主分类号
C22C21/00
代理机构
代理人
主权项
地址
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