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CPC
G01J2001/1689
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Parent Industries
G
PHYSICS
G01
Measuring instruments
G01J
MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT COLORIMETRY RADIATION PYROMETRY
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G01J2001/1689
one separated signal being processed differently
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Patent Grant
Two-wavelength type respiratory gas concentration measuring apparatus
Patent number
4,998,018
Issue date
Mar 5, 1991
Nihon Kohden Corporation
Muneshige Kurahashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE