Nangong 681-class floating pile driver

OverviewRelatedWikipediaTableS1S2S3

Wikidata
watercraft class, 

• Google Knowledge entry^@
  

watercraft class – 

Frameless

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