$Frontier通信B系列(FTR)$ 8-K/A [Amend] - Current report Filed: 2016-08-02 AccNo: 0000020520-16-000094 Size: 3 MBItem 2.02: Results of Operations and Financial ConditionItem 7.01: Regulation FD DisclosureItem 9.01: Financial Statements and Exhibits 网页链接