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bn:00061627n
Noun Concept
SYL
No term available
EN
An optical instrument that provides a view of an otherwise obstructed field WordNet 3.0
Relations
Sources
IS A
EN
optical instrument
PART OF
EN
submarine
HAS INSTANCE
EN
Clearwater Periscope lens system
EN
Nistri periscope
DESCRIBED BY SOURCE
EN
Armenian Soviet Encyclopedia
EN
Otto's encyclopedia
EN
Sytin Military Encyclopedia
USE
EN
observation
USED BY
EN
military
EN
navy

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