DIFF Subgroup
B31B 50/68 by stitching, stapling or riveting
Introduced: January 2017
Full Title
Making rigid or semi-rigid containers, e.g. boxes or cartons > Uniting opposed surfaces or edges; Taping > by stitching, stapling or riveting
CPC subdivides this area 4x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
IPC defines codes here since 2017.
Child Classifications
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