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Derricks Masts; Other supports
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Industry
CPC
E21B15/00
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
Current Industry
E21B15/00
Derricks Masts; Other supports
Sub Industries
E21B15/003
adapted to be moved on their substructure
E21B15/006
Means for anchoring the drilling machine to the ground
E21B15/02
specially adapted for underwater drilling
E21B15/04
specially adapted for directional drilling
E21B15/045
Hydraulic, pneumatic or electric circuits for their positioning
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