CVDRMBCVD19931995NECBTMS12400404ISDNATMC&C08C&C0820%~30%C&C081994C&C08C&C08111995C&C08C&C08C&C0813C&C081996C&C081997C&C08C&C08C&C08C&C081993-20002001-20052006-2018C&C085EWSD