IPC Subgroup
G01L 21/02 having a compression chamber in which gas, whose pressure is to be measured, is compressed
Introduced: September 1968
Last revised: January 2006
Full Title
Vacuum gauges > having a compression chamber in which gas, whose pressure is to be measured, is compressed
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- G01L 21/04 wherein the chamber is closed by liquid; Vacuum gauges of the McLeod type