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1.发明授权Two-frequency dielectric measuring system including a variable gain circuit for modifying the amplitude of at least one of two detection signals 失效双频电介质测量系统包括用于修改两个检测信号中的至少一个的振幅的可变增益电路
公开(公告)号：US3323047A
公开(公告)日：1967-05-30
申请号：US31744563
申请日：1963-10-21
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： MARTIN ROBERT W , ALAN NORWICH
IPC: G01N27/22
CPC classification number: G01N27/223
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2.发明授权
公开(公告)号：US3496460A
公开(公告)日：1970-02-17
申请号：US3496460D
申请日：1968-04-22
Applicant: INDUSTRIAL NUCLEONICS CORP
Inventor： MARTIN ROBERT W
CPC classification number: G01N27/228 , G01N27/223
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