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GB772994A
|
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Improvements in or relating to negative-impedance repeaters for loaded cabies
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GB764390A
|
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Improvements in or relating to class b transistor amplifiers
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|
GB747757A
|
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Improvements in or relating to negative impedance devices
|
|
GB736934A
|
|
Improvements in or relating to trigger transistor circuits
|
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GB729711A
|
|
Improvements in or relating to two-stage transistor amplifiers
|
|
GB740417A
|
|
Improvements in or relating to high stability transistor oscillators
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|
GB734060A
|
|
Improvements in or relating to negative feedback transistor amplifier interstage coupling circuits
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|
GB738319A
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|
Improvements in or relating to negative impedance devices employing transistor amplifiers
|
|
GB724682A
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|
Improvements in or relating to stabilised transistor-amplifiers
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|
GB727765A
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Improvements in or relating to negative impedance devices
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