Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages (of light sources or light holders F21V19/00)

Child Classifications

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• F21V 17/002
• F21V 17/005
• F21V 17/007
• F21V 17/02 with provision for adjustment (F21V17/04 - F21V17/08 take precedence)
• F21V 17/04 the fastening being onto or by the light source
• F21V 17/06 the fastening being onto or by the lampholder
• F21V 17/08 onto the supporting or suspending arrangements of the lighting device, e.g. power cords, standards
• F21V 17/10 characterised by specific fastening means or way of fastening (F21V17/02 - F21V17/08 take precedence)