GB1172879A
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Common Channel Signalling System
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GB1209901A
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Improvements relating to the mounting of integrated circuit assemblies
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GB1173918A
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Improvements in or relating to Video Telephone Systems
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GB1173140A
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Improvements in Data Transmission Systems
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GB1172083A
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Digit Rate Synchronisation of a Network of Digital Stations
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GB1171792A
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Improvements in Fluid Sensors.
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GB1168476A
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Improvements in or relating to data transmission systems
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GB1173146A
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Improvements in Fluidic Angular Position Sensors
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GB1137533A
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Improvements in or relating to matrix switches
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GB1138839A
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Improvements in or relating to electrical conducting liquid switching devices
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GB1145304A
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Improvements in fluid control devices
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GB1162491A
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Improvements in Devices for Indicating the Extent and Direction of Movement of Body.
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GB1155361A
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Feed-Back for Hot Wire Anemometer
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GB1162366A
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Improvements in Time Division Multiplex Electrical Signalling Systems
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GB1160114A
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Improvements in Electrical Signalling Systems
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GB1148919A
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Improvements in static information storage arrangements
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GB1115602A
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Improvements in or relating to electrical timing circuits
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GB1139215A
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Improvements in fluid control valves
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GB1140908A
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Improvements in equipment for optical communication
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GB1140683A
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Improvements in fluid flow measuring equipment
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