DIFF Subgroup
E02D 3/115 by freezing
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Improving or preserving soil or rock, e.g. preserving permafrost soil > by thermal, electrical or electrochemical means > by freezing
CPC:
Improving or preserving soil or rock, e.g. preserving permafrost soil (securing of slopes or inclines E02D17/20; damming or interrupting passage of underground water E02D19/12; improving soil for agricultural purposes A01; soil stabilisation for road building or like purposes E01C21/00, E01C23/10; setting rock anchoring bolts E21D) > by thermal, electrical or electro-chemical means (freezing soil for interrupting passage of underground water E02D19/14) > by freezing
No child classifications to compare. This is a leaf node in both IPC and CPC.