4. Communications: radio wave antennas
  5. Antennas
  6. With coupling network or impedance in the leadin

Joseph E. Brennan

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Programmable antenna

Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
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Two-stroke cycle engine and pump having three-stroke cycle effec

Internal-combustion engines – Multiple piston – common nonrestrictive combustion chamber – Four-cycle
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