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EP1202076A1
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Method and apparatus for use in location of conductors
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Location of remote conductors
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WO9419708A1
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Location of buried conductors
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Locating buried object having an associated electromagnetic field
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Pile tester
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Pile tester
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Electromagnetic surveying of pipes and cables
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Electromagnetic surveying of pipes and cables
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Equipment for monitoring a signal current in an elongate conductor
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Method and apparatus for determining the presence of or absence of an underground body
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