IPC Subgroup
G05D 16/18 derived from an external source
Introduced: September 1968
Last revised: January 2006
Full Title
Control of fluid pressure > with auxiliary non-electric power > derived from an external source
Classification Context
- Section:
- PHYSICS
- Class:
- CONTROLLING; REGULATING
- Subclass:
- SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES