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GB1483215A
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Infrared measuring circuits
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US3870884A
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Apparatus for negating effect of scattered signals upon accuracy of dual-beam infrared measurements
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US3863071A
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Infrared measuring system with channel spectra negation
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CA982842A
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Infrared measuring system
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FR2180350A5
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Infra red analyser - measures a material property by measuring IR absorb-tion
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JPS52116286A
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Apparatus for displaying characteristics of sheet on cathodeeray tube by seanning gauge
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US3803414A
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Standardization of infrared measuring system
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US3790796A
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Method and apparatus for measurement of sheet opacity
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CA963691A
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Oscilloscope presentation of sheet profile from a scanning gage
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