Gloria, that plug you link to is used throughout Europe for light-duty appliances like lamps, tape recorders, TV sets or battery chargers.
Your flat plug will also fit the socket shown here: http://www.global-electron.com/plugs/F.htm
(this is the "earthed version").
Both versions are the standard plugs for Germany.
[This message has been edited by SvenNYC (edited 12-23-2004).]