DIFF Subgroup
G01M 3/24 using infrasonic, sonic or ultrasonic vibrations
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Investigating fluid tightness of structures > by using fluid or vacuum > by detecting the presence of fluid at the leakage point > using infrasonic, sonic or ultrasonic vibrations
CPC:
Investigating fluid-tightness of structures > by using fluid or vacuum > by detecting the presence of fluid at the leakage point > using infrasonic, sonic or ultrasonic vibrations
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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