DIFF Subgroup
G01V 1/08 involving time-delay devices
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Seismology; Seismic or acoustic prospecting or detecting > Generating seismic energy > Details > Ignition devices > involving time-delay devices
CPC:
Seismology; Seismic or acoustic prospecting or detecting > Generating seismic energy > Details > Ignition devices (G01V1/393 takes precedence) > involving time-delay devices
No child classifications to compare. This is a leaf node in both IPC and CPC.