Machine for removing tile with articulated frame

Machine for stripping shingles

Machine for the cutting of rocks in underground works

Machines for use in mining or tunnelling work

Main-ancillary tunnel excavator

Manhole casting removing device

Manhole ring saw cutting device

Manipulable tool mount

Material fracturing apparatus

Material gathering device for a mining machine

Material stripping apparatus

Means for removing the lining of a crucible furnace

Mechanically actuated impact mechanism

Mechanism for advancing continuous mining machine through mining

Mechanism for controlling the elevation of a coal planer

Mechanism for guiding a coal planer on the trough of a scraper c

Mechanisms for drawing a chain into or through a channel of a ch

Mechanized scaling bar

Method and apparatus for boring and shearing of rocks

Method and apparatus for breaking concrete or the like