Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation

Child Classifications

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• G01V 3/02 operating with propagation of electric current
• G01V 3/08 operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices (with electromagnetic waves G01V3/12)
• G01V 3/12 operating with electromagnetic waves
• G01V 3/14 operating with electron or nuclear magnetic resonance
• G01V 3/15 specially adapted for use during transport, e.g. by a person, vehicle or boat
• G01V 3/18 specially adapted for well-logging
• G01V 3/36 Recording data (G01V3/34 takes precedence)
• G01V 3/38 Processing data, e.g. for analysis, for interpretation, for correction
• G01V 3/40 specially adapted for measuring magnetic field characteristics of the earth