Ro-11-class submarine

sub-type of Japanese Kaichū submarine type. 
Kaichū I type submarine, Ro-11 class, Type K1

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Wikimedia, Wikidata
Imperial Japanese Navy, Japan, Kure Naval Arsenal, submarine class, 

• Google Knowledge entry^@
  

Imperial Japanese Navy – Kaichū-class submarine – Kure Naval Arsenal – 

Type	Date	Description	Keywords	Notes	Source
link		Google Knowledge entry@			Wikidata

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