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 17/04
Couplings; joints between rod {or the like} and bit or between rod and rod {or the like}
Find more entities like E21B 17/04
Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
