DIFF Subgroup
E03B 3/40 Other devices for confining, e.g. trenches, drainage
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Methods or installations for obtaining or collecting drinking water or tap water > Other devices for confining, e.g. trenches, drainage
CPC:
Methods or installations for obtaining or collecting drinking water or tap water (treatment of water C02F) > Other devices for confining, e.g. trenches, drainage
No child classifications to compare. This is a leaf node in both IPC and CPC.