IPC Subgroup
G01N 27/72 by investigating magnetic variables
Introduced: September 1968
Last revised: January 2006
Full Title
Investigating or analysing materials by the use of electric, electrochemical, or magnetic means > by investigating magnetic variables
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
3 direct subcodes
Child Classifications
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- G01N 27/74 of fluids
- G01N 27/8 for investigating mechanical hardness, e.g. by investigating saturation or remanence of ferromagnetic material
- G01N 27/82 for investigating the presence of flaws