URI(s)
- http://id.loc.gov/authorities/subjects/sh85112506
- http://id.loc.gov/authorities/sh85112506#concept
Variants
- Control systems, Relay
Broader Terms
Closely Matching Concepts from Other Schemes
LC Classification
- TJ218.5
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
Alternate Formats
