4. X-ray or gamma ray systems or devices
  5. Specific application
  6. Absorption

Andrew Curtis

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Classification method for sedimentary rocks

X-ray or gamma ray systems or devices – Specific application – Absorption
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Method and system for electroseismic monitoring of...

Electricity: measuring and testing – Of geophysical surface or subsurface in situ
Reexamination Certificate

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Method for retrieving local near-surface material information

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

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Method of and apparatus for processing seismic data

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Earth science
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Method of processing marine seismic data and a method of...

Communications – electrical: acoustic wave systems and devices – Seismic prospecting – Offshore prospecting
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Profile ID: LFUS-PAI-P-2219592

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