Ro-51-class submarine

Type L1 submarine

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Wikimedia, Wikidata
Imperial Japanese Navy, Japan, submarine class, 

• Google Knowledge entry^@
  

Imperial Japanese Navy – Japanese Type L submarine – 

IJN SS Ro51 in 1920 on trial run

RO-51 ceremony

Type	Date	Description	Keywords	Notes	Source
link		Google Knowledge entry@			Wikidata
image	1920	IJN SS Ro51 in 1920 on trial run			Wikimedia
image		RO-51 ceremony			Wikimedia

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