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PCE
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DIFF Subgroup
G02B 23/06

having a focussing action, e.g. parabolic mirror

Introduced: September 1968

Title

Titles differ between systems:

IPC: having a focusing action, e.g. parabolic mirror

CPC: having a focussing action, e.g. parabolic mirror

Full Title

Full titles differ between systems:

IPC:

Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices > involving prisms or mirrors > having a focusing action, e.g. parabolic mirror

CPC:

Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices > involving prisms or mirrors (G02B23/14 takes precedence) > having a focussing action, e.g. parabolic mirror

No child classifications to compare. This is a leaf node in both IPC and CPC.