IPC Subgroup
G01N 33/2025 Gaseous constituents
Introduced: January 2019
Full Title
Investigating or analysing materials by specific methods not covered by groups > Metals > Constituents thereof > Non-metallic constituents > Gaseous constituents
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES