Mechanical efficiency
URI(s)
- http://id.loc.gov/authorities/subjects/sh85082756
- http://id.loc.gov/authorities/sh85082756#concept
Variants
- Efficiency, Mechanical
Broader Terms
Closely Matching Concepts from Other Schemes
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1993-10-14: revised
Alternate Formats