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Drilling by liquid or gas jets, with or without entrained pellets
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Industry
CPC
E21B7/18
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B7/00
Special methods or apparatus for drilling
Current Industry
E21B7/18
Drilling by liquid or gas jets, with or without entrained pellets
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