Patent classifications
G
PHYSICS
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G02
OPTICS
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G02B
OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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13/00
Optical objectives specially designed for the purposes specified below
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G02B13/14
for use with infrared or ultraviolet radiation
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G02B13/146
with corrections for use in multiple wavelength bands, such as infrared and visible light, e.g. FLIR systems
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