DIFF Subgroup
E21F 5/18 Impregnating walls, or the like, with liquids for binding dust
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires > Impregnating walls, or the like, with liquids for binding dust
CPC:
Means or methods for preventing, binding, depositing, or removing dust ; Preventing explosions or fires (dams E21F17/103; applying liquids or other fluent materials to surfaces in general B05) > Impregnating walls, or the like, with liquids for binding dust
No child classifications to compare. This is a leaf node in both IPC and CPC.