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IPC Subgroup
E21C 25/66

Machines for making slits with additional arrangements for drilling

Introduced: September 1968

Last revised: January 2006

Full Title

Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam > Machines for making slits with additional arrangements for drilling

Classification Context

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