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DE887076C
|
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Electrical capacitor in a housing that tightly encloses the capacitor
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GB675469A
|
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Improvements in and relating to signal repeating circuits
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GB675470A
|
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Ageing electron discharge tubes having space charge grids
|
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US2505043A
|
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Means for frequency conversion
|
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US2451823A
|
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Direction finding system
|
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US2479489A
|
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Direct reading radio direction finder
|
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US2441035A
|
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Variable frequency continuous balance translation system
|
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US2467335A
|
|
Balanced variable frequency motor control system
|
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US2440486A
|
|
Variable frequency continuous balance motor control system
|
|
US2515344A
|
|
Radio beacon system
|
|
US2451824A
|
|
Means for and method of producing time modulated signal impulses
|
|
US2583484A
|
|
Combined angular velocity and pulse modulation system
|
|
US2477693A
|
|
Variable induction coil
|
|
US2491810A
|
|
Receiving system for phase-keyed pulse signals
|
|
US2510338A
|
|
Means for and method of scrambling speech signals
|
|
US2492218A
|
|
Harmonic generator
|
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US2435520A
|
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Flare
|
|
US2522368A
|
|
Angular velocity modulation system
|
|
GB655958A
|
|
Method of producing screen material
|
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GB655932A
|
|
Screen material
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