E21F 5/04 Spraying barriers (spray nipples, spraying in general B05B, B05D; picks with arrangements of fluid-spraying nozzles E21C35/187)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Spraying barriers
CPC: Spraying barriers (spray nipples, spraying in general B05B, B05D; picks with arrangements of fluid-spraying nozzles E21C35/187)
Full Title
Full titles differ between systems:
Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires > by wetting or spraying > Spraying barriers
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) > by wetting or spraying > Spraying barriers (spray nipples, spraying in general B05B, B05D; picks with arrangements of fluid-spraying nozzles E21C35/187)
No child classifications to compare. This is a leaf node in both IPC and CPC.