$燃料电池能源(FCEL)$ 8-K - Current report Filed: 2019-02-21 AccNo: 0001144204-19-009210 Size: 485 KBItem 1.01: Entry into a Material Definitive AgreementItem 3.02: Unregistered Sales of Equity SecuritiesItem 3.03: Material Modifications to Rights of Security HoldersItem 9.01: Financial Statements and Exhibits 网页链接