E21F 5/16 Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers (dust-absorbing materials in general C09K3/22)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers
CPC: Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers (dust-absorbing materials in general C09K3/22)
Full Title
Full titles differ between systems:
Means or methods for preventing, binding, depositing or removing dust; Preventing explosions or fires > Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers
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) > Layers of hygroscopic or other salts deposited on floors, walls, or the like, for binding dust; Deposition of such layers (dust-absorbing materials in general C09K3/22)
No child classifications to compare. This is a leaf node in both IPC and CPC.