4. Communications, electrical: acoustic wave systems and devices
  5. Echo systems
  6. Speed determination

Fred N. Spiess

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Apparatus and method for supporting oceanographic equipment at s

Measuring and testing – Meteorology – Electric disturbance
Patent

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Method and system for measuring sound velocity

Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination
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Wide swath precision echo sounder

Communications – electrical: acoustic wave systems and devices – Echo systems – Side scanning or contour mapping sonar systems
Patent

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Profile ID: LFUS-PAI-P-851013

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