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公开(公告)号:US3115577A
公开(公告)日:1963-12-24
申请号:US19211862
申请日:1962-05-03
Applicant: TWIN CITY TESTING CORP
Inventor: JOFFE BORIS B , LUNDGREN FREDERICK A
IPC: G01B15/02 , G01N23/08 , G01N23/203
CPC classification number: G01N23/203 , G01B15/025 , G01N23/08
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2.Portable beta radiation measuring head for coating thickness measurement 失效
Title translation: 便携式β辐射测量头用于涂层厚度测量公开(公告)号:US3319067A
公开(公告)日:1967-05-09
申请号:US20682062
申请日:1962-07-02
Applicant: TWIN CITY TESTING CORP
Inventor: JOFFE BORIS B , LUNDGREN FREDERICK A
IPC: G01N23/203
CPC classification number: G01N23/203
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