for grinding pistons

Full Title

Single purpose machines or devices for particular grinding operations not covered by any other main group > for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section > for grinding pistons

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