73433384
Jul 6, 1983
Nov 13, 1984
Water-Miscible Surfactants Used to Suppress Dust, the Thus-Diluted Surfactant Forming a Foam of Minute Bubbles When Discharged at High Pressure into a Dust-Laden or Dust-Producing Open Space, as for Example in and Around Stone Crushers, Mine and Tunnel Faces, Conveyor Equipment and Quarry Equipment
Chemicals