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LIGHTING
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Industry
CPC
F21
Parent Industries
F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
Current Industry
F21
Lighting
Sub Industries
F21H
MANTLES OTHER INCANDESCENT BODIES HEATED BY COMBUSTION
F21K
LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
F21L
LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
F21S
NON-PORTABLE LIGHTING DEVICES OR SYSTEMS THEREOF
F21V
DETAILS OF LIGHTING DEVICES, OF GENERAL APPLICATION
F21W
INDEXING SCHEME RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
F21Y
INDEXING SCHEME RELATING TO THE FORM OF THE LIGHT SOURCES
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