Furnaces--Efficiency
URI(s)
- http://id.loc.gov/authorities/subjects/sh85052514
- http://id.loc.gov/authorities/sh85052514#concept
Components
- Efficiency
Closely Matching Concepts from Other Schemes
Narrower Concepts from Other Schemes
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 1993-10-07: revised
Alternate Formats