DIFF Subgroup
A41D 27/28 Means for ventilation
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Details of garments or of their making > Means for ventilation
CPC:
Details of garments or of their making (buttons, pins, buckles, slide fasteners or the like A44B) > Means for ventilation
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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