to form contours, i.e. curved surfaces, irrespective of the method of working used

Full Title

Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor > to form contours, i.e. curved surfaces, irrespective of the method of working used

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

WORKING CEMENT, CLAY, OR STONE

Subclass:

WORKING STONE OR STONE-LIKE MATERIALS