using bolts as main fixing elements

Full Title

Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups , or > Mining picks; Holders therefor > Means for fixing picks or holders > using bolts as main fixing elements

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

EARTH OR ROCK DRILLING; MINING

Subclass:

MINING OR QUARRYING