4. Communications, electrical: acoustic wave systems and devices
  5. Signal transducers
  6. Underwater type

Helmut Weichart

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Cable for sea seismic exploration

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent

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Hydrophone

Communications – electrical: acoustic wave systems and devices – Signal transducers – Underwater type
Patent

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Marine seismic streamer with a device for damping oscillations

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
Patent

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Profile ID: LFUS-PAI-P-679234

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