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US2399704A
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Radio tuning means
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US2399702A
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Spacing device for adjusting to close limits
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US2399703A
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Gauge
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GB592513A
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An improved method of putting together a core tuned oscillator assembly circuit
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GB582336A
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Device for tuning or adjusting apparatus, such as radio apparatus to close limits
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GB592514A
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Electrical condensers
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GB592511A
|
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Improvements in electrical condensers
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GB582358A
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Improved means for mounting radio apparatus
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GB592512A
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Method of making inductance coils
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US2407360A
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Method of temperature compensating tuned circuits
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US2451643A
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Variable inductance tuner
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US2399701A
|
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Device for tuning or adjusting to close limits
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US2399700A
|
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Device for adjusting or tuning to close limits
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US2346804A
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Frequency selective transmission network
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