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公开(公告)号:US3146293A
公开(公告)日:1964-08-25
申请号:US9031861
申请日:1961-02-20
Applicant: COMPTEURS COMP D
Inventor: RENE LESAGE DANIEL MARIE
IPC: G01N21/53
CPC classification number: G01N21/538
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2.Method and device for measuring the amplitude ratio of two electric signals, more particularly for the measuring of the density of the atmosphere 失效
Title translation: 用于测量两个电信号的振幅比的方法和装置,特别是用于测量大气密度的方法和装置公开(公告)号:US3329821A
公开(公告)日:1967-07-04
申请号:US32100163
申请日:1963-11-04
Applicant: COMPTEURS COMP D
Inventor: RENE LESAGE DANIEL MARIE
CPC classification number: G06G7/163 , G01N21/538
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