Guiding the machine

Introduced: September 1968

Last revised: January 2006

Full Title

Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or > Guiding the machine

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: EARTH OR ROCK DRILLING; MINING
Subclass:: MINING OR QUARRYING

3 direct subcodes

Child Classifications

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E21C 35/1 by feelers contacting the working face
E21C 35/12 along a conveyor for the cut material
E21C 35/16 by making use of the timbering, filling, or other supports