Ro-13

Ro-13, originally named Submarine No. 23, was an Imperial Japanese Navy Kaichū-Type submarine of the Kaichū II subclass. She was commissioned in 1920 and operated in the waters of Japan. She was stricken in 1932.

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Wikidata
Submarine No. 23
Kaichū-class submarine, submarine, Imperial Japanese Navy, 

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Location: KML, Cluster Map, Maps,

1919-08-26T00:00:00Z

1919-08-26T00:00:00Z

ship launching

1918-09-14T00:00:00Z

1918-09-14T00:00:00Z

keel laying

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Frameless

Type	Subtype	Date	Description	Notes	Source