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US3042416A
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Telescopic antenna
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US2870973A
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Driving mechanism for retractable antennae
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US2796221A
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Extensible antenna
|
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US2795304A
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Extensible antenna
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US2688698A
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Antenna with power operable telescopic sections
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US2646504A
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Extensible antenna with two-way acting fluid driving means
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US2683967A
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Reversible pump and motor system for extensible antennas
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Actuating means for antennas and the like
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Retractable aerial
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Radio aerial
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US2650302A
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Extensible aerial
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US2349406A
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Antenna construction
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CA516992A
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Retractable aerial
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CA516989A
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Driving mechanism for extensible antennas and the like
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CA516994A
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Extensible aerial
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CA516990A
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Extensible antenna with reversible remote fluid drive system
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CA570063A
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Extensible antenna
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CA505834A
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Electrical connector
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CA517648A
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Extensible antenna construction
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CA516993A
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Extensible antenna construction
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