Thesaurus for Graphic Materials 1: Subject Terms
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Signal lights
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Signal lights
Term
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Signal lights
Broader Terms
BT
↑
Communication devices
BT
↑
Signals
More specific terms
NT5
↓
Railroad signals
Related terms
RT
⇆
Traffic signs & signals
Date of creation
14-Ago-2007
Accepted term
14-Ago-2007
Descendant terms
1
ARK
ark:/99152/t3k2elr8q5zpj3
More specific terms
1
Alternative terms
0
Related terms
1
Notes
0
Metadata
BS8723-5
DC
MADS
SKOS-Core
VDEX
XTM
Zthes
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