DIFF Subgroup
E21C 45/04 by use of highly pressurised liquid
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Methods of hydraulic mining; Hydraulic monitors > Means for generating pulsating fluid jets > by use of highly pressurised liquid
CPC:
Methods of hydraulic mining; Hydraulic monitors (E21C25/60 takes precedence) > Means for generating pulsating fluid jets > by use of highly pressurised liquid
No child classifications to compare. This is a leaf node in both IPC and CPC.