CROSS-REFERENCE TO RELATED APPLICATIONS This is a National Stage entry of International Application No. PCT/EP2011/066161, with an international filing date of Sep. 18, 2011, which claims priority of U.S. provisional application 61/384,577, filed Sep. 20, 2010, entitled “Butterfly Valve”....
CROSS-REFERENCE TO RELATED APPLICATIONS This is a National Stage entry of International Application No. PCT/GB2005/005074, with an international filing date of Dec. 23, 2005, which claims priority of Great Britain patent application No. 0500223.3, filed Jan. 7, 2005, entitled “Communication Syst...