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GB775982A
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Improvements in photosensitive device
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GB670912A
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Improvements in correcting position of undeflected spot on multigun cathode ray tube
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GB686323A
|
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Improvements in tuning device for high frequency electrical energy
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GB685556A
|
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Improvements in cathode ray oscillograph circuit
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GB683902A
|
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Improvements in generation of a sine wave by electric circuits
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GB668762A
|
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Improvements in electronic circuit voltage control
|
|
GB677260A
|
|
Improvements in thermionic amplifiers of the band pass type
|
|
US2618773A
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Power supply
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GB675766A
|
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Improvements in suppression of spurious oscillations in electron discharge devices
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US2589386A
|
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Pickup device for color television
|
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GB624772A
|
|
Improvements in projection screen
|
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GB612391A
|
|
Improvements in electrical connectors for vacuum tubes
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|
GB614229A
|
|
Improvements in level or angle indicator
|
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GB615636A
|
|
Improvements in apparatus for examining materials by magnetic means
|
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GB604526A
|
|
Improvements in apparatus for testing the accuracy of frequency of energy pulses with respect to a time standard
|
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GB606971A
|
|
Improvements in means for pulsing vacuum tube oscillators
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|
GB602007A
|
|
Improvements in variable inductance
|
|
GB597345A
|
|
Improvements in stabilised modulated oscillators
|
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GB594106A
|
|
Improvements in process and apparatus for separating metal pieces
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GB593646A
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Improvements in voltage gain control devices
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