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Automatic refractometer
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Patent number 4,640,616
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Issue date Feb 3, 1987
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The Cambridge Instrument Company plc
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John K. Michalik
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G01 - MEASURING TESTING
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Charged particle deflection
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Patent number 4,614,872
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Issue date Sep 30, 1986
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Cambridge Instruments Limited
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Anthony W. Sloman
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H01 - BASIC ELECTRIC ELEMENTS
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Image comparison systems
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Patent number 4,578,765
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Issue date Mar 25, 1986
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Cambridge Instruments Limited
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John C. Barker
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G06 - COMPUTING CALCULATING COUNTING
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Electron beam focussing
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Patent number 4,514,634
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Issue date Apr 30, 1985
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Cambridge Instruments Limited
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Peter J. Lawson
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H01 - BASIC ELECTRIC ELEMENTS
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