IPC Subgroup
G02B 23/24 Instruments for viewing the inside of hollow bodies, e.g. fibrescopes
Introduced: January 1985
Last revised: January 2006
Full Title
Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices > Instruments for viewing the inside of hollow bodies, e.g. fibrescopes
Classification Context
- Section:
- PHYSICS
- Class:
- OPTICS
- Subclass:
- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
1 direct subcode
Child Classifications
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- G02B 23/26 using light guides