$美国石绵(USG)$ 8-K - Current report Filed: 2019-02-14 AccNo: 0001193125-19-039322 Size: 359 KBItem 2.02: Results of Operations and Financial ConditionItem 5.04: Temporary Suspension of Trading Under Registrant's Employee Benefit PlansItem 9.01: Financial Statements and Exhibits 网页链接