4. Communications: radio wave antennas
  5. Antennas
  6. Balanced doublet - centerfed

Karl Kohler

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Carton flap retention arrangement

Envelopes – wrappers – and paperboard boxes – Paperboard box – Compartmented
Patent

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Method and apparatus for formation of a tunnel lining

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Boring
Patent

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On-board water supply

Liquid purification or separation – Structural installation – Closed circulating system
Patent

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VOR receiver with improved performance in a Doppler navigation s

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent

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Profile ID: LFUS-PAI-P-350987

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