IPC Subgroup
G01N 33/28 Oils
Introduced: September 1968
Last revised: January 2006
Full Title
Investigating or analysing materials by specific methods not covered by groups > Oils; Viscous liquids; Paints; Inks > Oils
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
1 direct subcode
Child Classifications
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- G01N 33/3 for lubricating properties