Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F21
LIGHTING
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F21L
LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
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14/00
Electric lighting devices without a self-contained power source, e.g. for mains connection
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F21L14/02
capable of hand-held use, e.g. inspection lamps
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