to notch margins of work

Full Title

Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor > Perforating by punching, e.g. with relatively-reciprocating punch and bed > to notch margins of work

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

HAND CUTTING TOOLS; CUTTING; SEVERING

Subclass:

PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING