$3M(MMM)$ 8-K - Current report Filed: 2014-06-09 AccNo: 0001104659-14-044812 Size: 30 KBItem 5.02: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain OfficersItem 7.01: Regulation FD Disclosure 网页链接