F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F21
LIGHTING
Load children
F21V
FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
Load children
23/00
Arrangement of electric circuit elements in or on lighting devices
Load children Filter patents View analytics View as hierarchy
F21V23/04
the elements being switches
Load children Filter patents View analytics View as hierarchy