4. Chemistry: analytical and immunological testing
  5. Geochemical, geological, or geothermal exploration

Richard W. Lahann

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Determination of expandable clay minerals at well sites

Chemistry: analytical and immunological testing – Geochemical – geological – or geothermal exploration
Patent

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Method and process for prediction of subsurface fluid and...

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Land-reflection type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-796555

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