DIFF Subgroup
G01N 29/14 using acoustic emission techniques
Introduced: January 1990
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 > using acoustic emission techniques
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) > using acoustic emission techniques
No child classifications to compare. This is a leaf node in both IPC and CPC.