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发明名称
Method and apparatus for examining opaque material
摘要
申请公布号
US2370163(A)
申请公布日期
1945.02.27
申请号
US19410415198
申请日期
1941.10.16
申请人
THE TEXAS COMPANY
发明人
HARE DONALD G. C.
分类号
G01N23/09;G01N23/18
主分类号
G01N23/09
代理机构
代理人
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