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Device for scanning a code marked by means of passive switching elements on movable objects
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Observation device
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Improvements relating to microtomes
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Apparatus for automatically identifying objects from numerically representative marks carried thereby
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Device for the chromatographic separation of substances dissolved in a liquid
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Device for the separation of substances dissolved in a liquid
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Apparatus for the separation of substances dissolved in a liquid
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Improved apparatus for collecting liquid samples
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Optical arrangement for analysis of refractive index
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Interferometer for wind tunnels
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Improvements relating to interferometers
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Improvements relating to refractometers
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Recording interferometric arrangement for refractive index analysis of flowing media
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Method and device for the simultaneous implementation of several electrophoretic separations
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Osmometer
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Refractometers for liquids and gases
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Refractometric cell
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Refractometer for liquids and gases
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Arrangement for registering the refractive index of layered solutions
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