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GB2105890A
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Taximeters
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GB2103796A
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Particle sensors
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GB2102950A
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Sensor systems for particles
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GB2079955A
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Rotary speed transducer
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GB2076203A
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Taximeters
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GB2076200A
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Electronic Taximeters
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GB2057728A
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Electric power supply for data processing systems
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GB2054860A
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Improvements relating to rotary speed transducers
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GB1561110A
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Grain detection apparatus
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GB1570602A
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Clocks
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GB1569972A
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Electrical resistance measuring circuits
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US4149415A
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Apparatus for sensing moving particles or small moving objects
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CA1025054A
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Moisture meters
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US4021733A
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Moisture meters
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GB1554402A
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Circuits for producing an indication of the mean level of random signal inputs
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GB1552794A
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Apparatus for sensing moving particles or small moving objjects
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GB1494616A
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Systems for monitoring the distribution of particulate material
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GB1453934A
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Electrical weighing systems
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GB1455121A
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Moisture meters
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GB1384882A
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Apparatus for sensing moving particles or small moving objects
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