4.5 Hz 10Hz 40Hz 100Hz Geophone String in Seismic Survey Geophone for Gas and Oil Exploration - China 4.5 Hz Geophone, Seismic Geophone

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Geophone response curves for 2 Hz, 4.5 Hz, and 10 Hz geophones

4.5 Hz 10Hz 40Hz 100Hz Geophone String in Seismic Survey Geophone

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Geophone response curves for 2 Hz, 4.5 Hz, and 10 Hz geophones