IPC Subgroup
G01K 7/4 using ionisation of gases
Introduced: September 1968
Last revised: January 2006
Full Title
Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat > using ionisation of gases
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR