IPC Subgroup
G05D 23/02 with sensing element expanding and contracting in response to changes of temperature
Introduced: September 1968
Last revised: January 2006
Full Title
Control of temperature > without auxiliary power > with sensing element expanding and contracting in response to changes of temperature
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
1 direct subcode
Child Classifications
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- G05D 23/08 with bimetallic element