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PCE
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DIFF Subgroup
F21V 14/02

by movement of light sources

Introduced: January 2000

Full Title

Full titles differ between systems:

IPC:

Controlling the distribution of the light emitted by adjustment of elements > by movement of light sources

CPC:

Controlling the distribution of the light emitted by adjustment of elements (reflectors with provision for adjusting the curvature F21V7/16; light filters or the like with provision for controlling the colour or intensity F21V9/40; screens using adjustable parallel laminae or strips F21V11/04; screens using iris-type diaphragms F21V11/10; screens using movable sheets without apertures F21V11/18; adjustable mountings for lighting devices F21V21/14) > by movement of light sources

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

Child Classifications

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