Patent classifications
G
PHYSICS
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G02
OPTICS
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G02B
OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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5/00
Optical elements other than lenses
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G02B5/3025
Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
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G02B5/3033
in the form of a thin sheet or foil, e.g. Polaroid
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