G04B 37/122 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G04B 37/122

Full Title

Cases > Cases for special purposes, e.g. watch combined with ring, watch combined with button (watch guards or protectors A45C11/10, A45C11/12; watches combined with cosmetic powder containers A45D33/30 )

This code exists only in CPC.

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