Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01V
GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
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11/00
Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
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G01V11/007
using the seismo-electric effect
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