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GB1282287A
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Improvements in or relating to delay networks
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GB1281168A
|
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Manual switch-board arrangements in telephone or like switching systems
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GB1255068A
|
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Electrical signalling arrangements in an automatic telephone or like switching system
|
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GB1275671A
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Digital to analogue converter
|
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GB1243464A
|
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Stored-programme controlled data-processing systems
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GB1281167A
|
|
Improvements relating to data processing systems
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GB1237427A
|
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Improvements in or relating to liquid level sensors
|
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GB1224388A
|
|
Improvements in or relating to apparatus for causing repetition of incorrectly received messages in electrical digital signalling systems.
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GB1279406A
|
|
Improvements in or relating to gas discharge display devices
|
|
GB1268627A
|
|
Improvements in or relating to digital modulation systems
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|
GB1268628A
|
|
Improvements in or relating to demodulator arrangements
|
|
GB1222656A
|
|
Improvements in or relating to pulse corrector circuits
|
|
GB1206714A
|
|
Improvements in or relating to telegraph signalling systems
|
|
GB1197637A
|
|
Improvements in or relating to Pure Fluid LOgic Devices.
|
|
GB1214324A
|
|
Improvements in or relating to electrical signalling systems
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|
GB1222212A
|
|
Improvements relating to integrated circuits
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