F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F21
LIGHTING
F21
LIGHTING
F21V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
21/00
Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
21/00
Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
F21V21/005
for several lighting devices in an end-to-end arrangement, i.e. light tracks
F21V21/005
for several lighting devices in an end-to-end arrangement, i.e. light tracks