G | Sektion G — Physik | PHYSICS | |||||
G02 | Optik | OPTICS | |||||
G02B | Optische Elemente, Systeme oder Geräte [1, 7] | OPTICAL ELEMENTS, SYSTEMS OR APPARATUS [1, 7] | |||||
G02B 23/00 | Teleskope, z.B. Binokulare; Periskope; Instrumente zum Betrachten des Inneren hohler Körper; Sucher; optische Richt- oder Visiereinrichtungen [1, 4, 2006.01] | Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices [1, 4, 2006.01] | |||||
G02B 23/02 |
|
| |||||
G02B 23/04 |
|
|