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PCE
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IPC Subgroup
B21L 11/04

the ends being pierced or punched to form eyes

Introduced: September 1968

Last revised: January 2006

Full Title

Making chains or chain links of special shape > each link being formed of a single member of which both ends are bent or shaped to engage the middle portion of the next link > the ends being pierced or punched to form eyes

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
Subclass:
MAKING METAL CHAINS

1 direct subcode

Child Classifications

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  • B21L 11/06 the workpiece being of thin strip metal