designed for working internal surfaces of revolution

Full Title

Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone; Accessories therefor > designed for working internal surfaces of revolution

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

GRINDING; POLISHING

Subclass:

MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS