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GB475348A
(en)
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Improvements in or relating to wireless aerial systems
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SE70264C1
(https=)
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GB452791A
(en)
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Improvements in and relating to directional wireless aerial systems
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GB526719A
(en)
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Improvements in or relating to electro-magnetic transmission wave systems
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ES172153A1
(es)
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Mejoras en antenas de cuadro
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ES180054A1
(es)
|
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Sistemas de antenas
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GB519350A
(en)
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Directional radio antenna arrays
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US2029015A
(en)
|
|
Antenna
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GB149532A
(en)
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Improvements in or relating to electro-magnetic wave signalling systems
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GB725386A
(en)
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Improvements in or relating to aerials
|
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GB307060A
(en)
|
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Improvements in or relating to aerial systems
|
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GB434637A
(en)
|
|
Improvements in or relating to radio transmitters
|
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GB358372A
(en)
|
|
Improvements in or relating to aerials
|
|
GB706069A
(en)
|
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Improvements in or relating to radio direction-finders
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CA306283A
(en)
|
|
High frequency feeder for radio aerial systems
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ELFEXT
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|
Performance characteristics |
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GB450714A
(en)
|
|
Improvements in or relating to wireless aerials
|
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GB323237A
(en)
|
|
Improvements in or relating to wireless signalling apparatus
|
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GB355858A
(en)
|
|
Improvements in loop-antennas
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CA313970A
(en)
|
|
Radio high frequency receiving system
|
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GB223742A
(en)
|
|
Improvements in and relating to aerials and like radiating and receiving connectors
|
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CA303007A
(en)
|
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High frequency receiving system
|
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CA299306A
(en)
|
|
High frequency communication system
|
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ES121488A1
(es)
|
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Conductor de alta frecuencia constituido como antena o para acoplar el aparato receptor con la antena.
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CA299414A
(en)
|
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Aerial system
|