4. Communications: radio wave antennas
  5. Antennas
  6. Logarithmically periodic

John David Callaghan

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Broadband antenna system with the feed line conductors spaced on

Communications: radio wave antennas – Antennas – Logarithmically periodic
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Rotator with remote indicator and self-synchronization

Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
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Profile ID: LFUS-PAI-P-880466

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