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发明名称
Apparatus for identifying metal surfaces
摘要
申请公布号
US3011120(A)
申请公布日期
1961.11.28
申请号
US19600014020
申请日期
1960.03.10
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
BROWN MARTIN J.;HUMPHREYS GEORGE W.
分类号
G01R31/327
主分类号
G01R31/327
代理机构
代理人
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