136275 ⎘
Means or methods for preventing, binding, depositing, or removing dust ; Preventing explosions or fires Impregnating walls, or the like, with liquids for binding dust
DUST AND INTEGRITY CONTROL COMPOSITIONS
#2Method for efficiently treating spontaneous ignition of remaining coal in large area goaf of shallow-buried coal bed
#3Methods of and systems for controlling dust
#4Arrangement for the admission of pressurized water to spray systems