Machine with mobile grid for the elimination from channels...

Machinery stop and method of installation

Machines for cutting grooves in concrete and similar roadway...

Machines for displacing building sections

Machines for enlarging and shaping mine shafts and the like

Machines for laying concrete

Machines for spraying asbestos or the like

Machines for use in mining or tunnelling installations

Machines for use in mining or tunnelling work

Magazine for storing drill string elements

Magnet catch

Magnetic assemblies for deposit prevention

Magnetic assembly

Magnetic assembly for use with a downhole casing perforator

Magnetic barrier

Magnetic blade attachment in an ice conditioning machine

Magnetic blockout

Magnetic bond storm window

Magnetic casing depth marker

Magnetic catch