EA: TOPMARK_SHAPE
EE: TWO_SPHERES
Status:
STD 2005/06/07
Code:
15
EA label:
TOPMARK_SHAPE
Concept definition:
Two black spheres, commonly used to signify an isolated danger.
Reference type:
IR
Reference:
[
S57A
, Attribute, TOPSHP:4]
Supplemental references:
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