DIFF Subgroup Additional Only
H04R 2201/10 Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
Full Title
Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups > Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Note: 4 CPC extensions are marked as secondary classification only.