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1.发明授权Apparatus for interpretation of spectrum analysis data represented by a curve 失效用于解释由曲线表示的频谱分析数据的装置
公开(公告)号：US2442098A
公开(公告)日：1948-05-25
申请号：US62806845
申请日：1945-11-13
Applicant: STANDARD OIL DEV CO
Inventor： SHEWELL CHARLES T , SHEWELL JOHN R
IPC: G01J3/28
CPC classification number: G01J3/28
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