4. Communications: radio wave antennas
  5. Antennas
  6. Spiral or helical type

Alex Marron

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Antenna assembly for a portable communications device

Communications: radio wave antennas – Antennas – Spiral or helical type
Patent

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Method and apparatus for detecting obstructed vacuum nozzles

Optics: measuring and testing – By configuration comparison – With comparison to master – desired shape – or reference voltage
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Method for detecting obstructed nozzles

Optics: measuring and testing – By configuration comparison – With photosensitive film or plate
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Profile ID: LFUS-PAI-P-404890

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