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GB1237009A
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Apparatus for the excitation of electrodeless discharge tubes
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GB1169614A
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Automatic Liquid Sampling Apparatus
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GB1185018A
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Digital Print-Out Spectro-Photometer
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GB1012187A
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Dispenser for viscous liquid media
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GB905588A
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Improvements in or relating to colorimeters or absorptionmeters
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GB908050A
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An improved apparatus for testing liquid samples
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GB880187A
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Improvements in or relating to methods of titration and titration apparatus
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DE1134223B
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Method and apparatus for counting small particles, e.g. B. blood cells
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GB822848A
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Improvements in or relating to fluorimeters
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GB863853A
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Improvements in or relating to light filters
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GB856873A
|
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Improvements in or relating to apparatus for counting small particles
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GB766437A
|
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Improvements in or relating to apparatus for use in measuring and recording optical densities and other variables
|
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GB712700A
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Improvements in or relating to flame photometers
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GB690561A
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Improvements in or relating to apparatus for measuring reflectivity
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GB684508A
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Improvements in or relating to spectrophotometers
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GB645511A
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Improvements in and relating to nephelometers
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GB645050A
|
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Improvements in and relating to densitometers
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ES177590A1
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A new colorimeter
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GB628805A
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Improvements in or relating to batteries of photo electric cells
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GB594497A
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Improvements in or relating to colorimeters
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