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公开(公告)号：JPS52104981A
公开(公告)日：1977-09-02
申请号：JP2171676
申请日：1976-02-28
Applicant: NIPPON ELECTRON OPTICS LAB
Inventor： NISHIYAMA TAICHIROU
Abstract: PURPOSE:To recognize the density of gas with a simple coherent spectrometer by means of installing reciprocal motion mirror, reference light source and so on on michaelson interference meter thereby measuring the light intensity of principal absorption wavelength of a specified gas.
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