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DIFF Main Group
F21V 5/00

Refractors for light sources (characterised by cooling arrangements F21V29/504)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Refractors for light sources

CPC: Refractors for light sources (characterised by cooling arrangements F21V29/504)

Full Title

Full titles differ between systems:

IPC:

Refractors for light sources

CPC:

Refractors for light sources (characterised by cooling arrangements F21V29/504)

Of 9 combined children, 5 exist in both systems.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F21V 5/006 CPC only CPC only
  • F21V 5/007 CPC only CPC only
  • F21V 5/008 CPC only CPC only
  • F21V 5/02 of prismatic shape (F21V5/04 takes precedence) IPC+CPC Available in IPC and CPC
  • F21V 5/06 Hanging lustres for chandeliers IPC+CPC Available in IPC and CPC
  • F21V 5/08 producing an asymmetric light distribution IPC+CPC Available in IPC and CPC
  • F21V 5/10 comprising photoluminescent material since 2018 IPC+CPC Available in IPC and CPC