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Flexible radiation probe
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Patent number 5,444,254
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Issue date Aug 22, 1995
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Thomson and Nielsen Electronics Ltd.
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Ian Thomson
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Direct reading dosimeter
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Patent number 5,117,113
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Issue date May 26, 1992
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Thompson and Nielson Electronics Ltd.
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Ian Thomson
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G01 - MEASURING TESTING
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Dosimeter
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Patent number 4,678,916
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Issue date Jul 7, 1987
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Thomson & Nielsen Electronics Ltd.
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Ian Thomson
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G01 - MEASURING TESTING
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Direct reading dosimeter
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Patent number 4,484,076
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Issue date Nov 20, 1984
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Canadian Astronautics Limited
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Ian Thomson
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G01 - MEASURING TESTING