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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G09F 13/20

with luminescent surfaces or parts (luminescent compositions C09K11/00; light sources using luminescence F21K2/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with luminescent surfaces or parts

CPC: with luminescent surfaces or parts (luminescent compositions C09K11/00; light sources using luminescence F21K2/00)

Full Title

Full titles differ between systems:

IPC:

Illuminated signs; Luminous advertising > with luminescent surfaces or parts

CPC:

Illuminated signs; Luminous advertising (G09F9/00, G09F11/00 take precedence; control of displays in general using static means to present variable information G09G) > with luminescent surfaces or parts (luminescent compositions C09K11/00; light sources using luminescence F21K2/00)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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