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1.发明授权Method and apparatus for measuring radiation absorption employing a feedback amplifier to control the lamp supply 失效用于测量使用反馈放大器来控制灯泡供应的辐射吸收的方法和装置
公开(公告)号：US3437822A
公开(公告)日：1969-04-08
申请号：US3437822D
申请日：1966-04-12
Applicant: VICKERS LTD
Inventor： FITZSIMMONS ALAN EDWARD
CPC classification number: G01N21/255 , G01J1/16 , G01J1/30 , G01N21/276
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