having a shape similar to a crown wheel or a part thereof

Full Title

Making gears having teeth curved in their longitudinal direction > by planing or slotting with reciprocating cutting tools > having a shape similar to a crown wheel or a part thereof

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR

Subclass:

MAKING GEARS OR TOOTHED RACKS