Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F21
LIGHTING
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F21W
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
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2103/00
Exterior vehicle lighting devices for signalling purposes
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F21W2103/60
Projection of signs from lighting devices, e.g. symbols or information being projected onto the road
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