G02B 27/288 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G02B 27/288

Full Title

Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 > for polarising (used in stereoscopes G02B30/25)

This code exists only in CPC.

Diff view requires codes present in both systems.