IPC Subgroup
G01N 1/22 in the gaseous state
Introduced: September 1968
Last revised: January 2006
Full Title
Sampling; Preparing specimens for investigation > Devices for withdrawing samples > in the gaseous state
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
2 direct subcodes
Child Classifications
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