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b_class.htm
b_class.htm
https://web.archive.org/web/20070402190435/http:/www.britsub.net/html/b_class.htm
British B-class submarine
Link from a Wikipage to an external page
b_class.htm
https://web.archive.org/web/20070402190435/http:/www.britsub.net/html/b_class.htm