Ro-16-class submarine

sub-type of Japanese Kaichū submarine type. 
Kaichū III type submarine, Type K3

OverviewRelatedTableS1S2S3

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

• Google Knowledge entry^@
  

Imperial Japanese Navy – Kaichū-class submarine – 

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

Individual site searches

Google custom search of specialist sites

Google custom search of general sites