DIFF Subgroup
F16L 13/02 Welded joints
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints > Welded joints
CPC:
Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints ( joints for rigid pipes of plastics F16L47/00) > Welded joints
CPC subdivides this area 7x more granularly than IPC with 6 additional codes.
6 codes are CPC-only extensions.
Child Classifications
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