Improvements in or relating to sound attenuators particularly sound attenuator suitable for underground ventilation systems
ZA7107550B
Improvements in or relating to electrically operated tumbling grinding mills,such as for example,rotary tube mills using a coarse component of the ore as the grinding medium
ZA7003054B
Improvements in or relating to bottom discharge load carrying vehicles,such as bottom discharge cars,trucks,skips and the like
ZA6907898B
Loading means suitable for hoisting systems
GB1268350A
Improvements in or relating to settling apparatus such as for slimes, slurries, sludges or the like
FR1438659A
advanced thickener for slurry, silt, sludge and similar materials
US3295835A
Settling apparatus
US2952414A
Electrically operated grinding mills
GB854782A
Improvements in or relating to electrically operated tumbling grinding mills
CA774941A
Thickeners such as for slimes, slurries, sludges and the like
