DIFF Subgroup
G01N 29/30 Arrangements for calibrating or comparing, e.g. with standard objects
Introduced: January 2006
Full Title
Full titles differ between systems:
IPC:
Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object > Details > Arrangements for calibrating or comparing, e.g. with standard objects
CPC:
Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object (G01N3/00 - G01N27/00 take precedence) > Details > Arrangements for calibrating or comparing, e.g. with standard objects
No child classifications to compare. This is a leaf node in both IPC and CPC.