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GB1111121A
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Improvements in and relating to pulse counting apparatus and to the measurement of radiation from radioactive materials using pulse counting apparatus
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GB880953A
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Improvements in or relating to gauges
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GB818105A
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Improvements in or relating to gauges
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GB780736A
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Improvements in and relating to electronic apparatus
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GB788442A
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Improvements in and relating to automatic voltage stabilizers
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GB772294A
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Improvements in and relating to radio-active materials
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GB717753A
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Improvements in and relating to thickness gauges employing radioactivity
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GB723866A
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Improvements in and relating to indicating instruments
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GB683433A
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Improvements in and relating to insecticides
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GB705255A
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Improvements in and relating to means for discharging static electricity
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CA512750A
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Apparatus for gauging sheet material
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