GEOPHONE

сейсмоприёмник - borehole geophone - digital grade geophone - digital geophone - dynamic geophone - electrical geophone - electrodynamic geophone - high-output geophone - horizontal component geophone - horizontal geophone - horizontal radial motion geophone - horizontal transverse motion geophone - humbucking geophone - land geophone - longitudinally polarized geophone - low-frequency geophone - marsh geophone - moving-coil geophone - multiple geophones - oriented geophone - polarized geophone - pressure-sensitive geophone - pressure geophone - reflection geophone - refraction geophone - reverse-wound geophone - self-orienting geophone - side-wall clamped geophone - three-directional geophone - three-mode geophone - underdamped geophone - uphole geophone - vertical component geophone - vertical geophone - well geophone