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Near-surface seismic investigation source apparatus

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent

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No-flash seismic cord

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Patent

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Noise filtering method for seismic data

Acoustics – Geophysical or subsurface exploration – Seismic source and detector
Patent

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Noise-attenuating positioners for acoustic well-logging tools

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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Non-acoustic self noise canceller for sensor arrays

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Reexamination Certificate

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Non-explosive acoustic source

Acoustics – Geophysical or subsurface exploration – Seismic wave generation
Reexamination Certificate

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Nondestructive downhole seismic vibrator source and processes of

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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Nondestructive downhole seismic vibrator source and processes of

Acoustics – Geophysical or subsurface exploration – Well logging
Patent

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