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发明名称
Device for gauging magnetic materials
摘要
申请公布号
US2537731(A)
申请公布日期
1951.01.09
申请号
US19500148189
申请日期
1950.03.07
申请人
ANGELL CHARLES H
发明人
ANGELL CHARLES H.
分类号
G01B7/06
主分类号
G01B7/06
代理机构
代理人
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