CPC Subgroup
G01N 27/72 by investigating magnetic variables
Full Title
Investigating or analysing materials by the use of electric, electrochemical, or magnetic means (G01N3/00 – G01N25/00 take precedence; measurement or testing of electric or magnetic variables or of electric or magnetic properties of materials G01R) > by investigating magnetic variables
4 direct subcodes
Child Classifications
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- G01N 27/74 of fluids (G01N24/00 takes precedence)
- G01N 27/80 for investigating mechanical hardness, e.g. by investigating saturation or remanence of ferromagnetic material
- G01N 27/82 for investigating the presence of flaws