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FR2226673A1
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Prospecting for petroleum or natural gas - by detection of volatile vapour phase
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AU5460973A
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Method for prospecting for hydrocarbons
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AU5461173A
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Prospecting for mercury using mobile vapour phase tracking
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AU5461073A
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prospecting using radioactive gaseous decay products
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CA964489A
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Method of prospecting for mercury and associated noble and base metals
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CA963383A
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Method of prospecting for hydrocarbons
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AU3844072A
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Method of prospecting for mercury and associated noble and base metals
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US3734489A
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Method of prospecting for hydrocarbons
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CA927526A
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Method of prospecting
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US3730683A
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Method of prospecting for mercury and associated noble and base metals
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US3609363A
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Method of prospecting for mineral deposits having radioactive gaseous decay products
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