EC: WALL_LOOPHOLE
Status:
STD 2005/06/07
Code:
1343
Concept definition:
A small <
APERTURE
> in a <
WALL
> in a defended <
STRUCTURE
> created for military purposes, typically about 20 centimetres in diameter; wall loophole.
Reference type:
Reference:
Supplemental references:
Group membership:
MILITARY_SCIENCE
SUPPORT_STRUCTURE
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