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US5500730A
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Method and apparatus for determining the distance to a reflective event
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Method of detecting breaks in multi-drop feeder systems
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Macrobend splice loss tester for fiber optic splices with silicon gel cushion on optical coupling blocks
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Adjustable attenuator for optical transmission system
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US4928232A
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Signal averaging for optical time domain relectometers
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US4875772A
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Remotely controlled optical time domain reflectometer serving a plurality of fiber optic cables
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US4812241A
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Sample transfer for infrared analysis in thin layer chromatography-structure & method
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US4810093A
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Versatile and efficient radiation transmission apparatus and method for spectrometers
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US4812041A
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Spectrometer system having pivotally mounted internal reflectance element
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US4835389A
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Internal reflection spectroscopy for deep container immersion
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US4888714A
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Spectrometer system having interconnected computers at multiple optical heads
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US4773757A
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High resolution spectrometer interferometer having an integrated alignment unit
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US4758088A
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Microscope accessory which facilitates radiation transmission measurements in the reflectance mode
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US4764676A
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Apparatus for spectral analysis of chromatographic fractions
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US4843242A
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Infrared microscope employing a projected field stop
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US4852955A
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Microscope for use in modular FTIR spectrometer system
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US5011243A
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Reflectance infrared microscope having high radiation throughput
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US4784488A
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Modular radiation transmission apparatus for spectrometers
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US4640617A
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Spectrometers having purge retention during sample loading
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US4657390A
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Universal spectrometer system having modular sampling chamber
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