Other attributes
Child Classification
Classification Type
Parent Classification
No article content yet.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
E21B 34/14
Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
Find more entities like E21B 34/14
Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
