135927 ⎘
Machines for obtaining or the removal of materials in open-pit mines for coal, brown coal, or the like Conveyor bridges used in co-operation with the winning apparatus
FEEDER
#2Feeder
#3Excavation utilizing dual hopper system
#4Apparatus and methods for cemented multi-zone completions
#5Apparatus and methods for cemented multi-zone completions
#6Mining methods and systems using mobile conveyors
#7Mining methods and systems using mobile conveyors
#8Method for open pit bench mining
#9Method and apparatus for open pit bench mining