Tender For providing of dark fiber lease service - point to point based - dry lease; single mode; intracity; 1; aerial, underground; na; na,dark fiber lease service - point to point based - dry lease; single mode; intracity; 1; aerial, underground; na; na,dark fiber lease service - point to point based - dry lease; single mode; intracity; 1; aerial, underground; na; na,dark fiber lease service - point to point based - dry lease; single mode; intracity; 1; aerial, underground; na; na