Fastening of light sources or lamp holders (fastening electric light source solely by the coupling device H01R33/00 )

Child Classifications

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• F21V 19/0005
• F21V 19/001
• F21V 19/006
• F21V 19/0075
• F21V 19/02 with provision for adjustment, e.g. for focusing
• F21V 19/04 with provision for changing light source, e.g. turret
• F21V 19/06 Fastening incandescent mantles or other incandescent bodies to lamp parts; Suspension devices for incandescent mantles or other incandescent bodies (arrangements of mantles or other incandescent bodies on burners F21V36/00)