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发明名称
X-ray thickness gauge
摘要
申请公布号
US2542822(A)
申请公布日期
1951.02.20
申请号
US19470776508
申请日期
1947.09.27
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
LONGINI RICHARD L.
分类号
G01N23/16
主分类号
G01N23/16
代理机构
代理人
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地址
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