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Electrochemical gas sensor
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Patent number 7,077,938
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Issue date Jul 18, 2006
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Invensys Controls UK Limited
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Malcolm Trayton Austen
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G01 - MEASURING TESTING
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Analytical sampling device
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Patent number 6,564,655
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Issue date May 20, 2003
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Central Research Laboratories Limited
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Malcolm Trayton Austen
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G01 - MEASURING TESTING
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Gas sensors
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Patent number 6,558,519
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Issue date May 6, 2003
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Central Research Laboratories Limited
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John Robert Dodgson
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G01 - MEASURING TESTING
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Gas sensor
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Patent number 6,454,923
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Issue date Sep 24, 2002
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Central Research Laboratories Limited
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John Dodgson
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G01 - MEASURING TESTING
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Electrochemical cell
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Patent number 6,376,124
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Issue date Apr 23, 2002
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Central Research Laboratories, Limited
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John Robert Dodgson
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Gas sensor
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Patent number 5,914,019
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Issue date Jun 22, 1999
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Central Research Laboratories Limited
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John Robert Dodgson
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G01 - MEASURING TESTING