ST. PAUL, Minn.--(BUSINESS WIRE)--3M – (NYSE: MMM) today announced its participation in the following upcoming investor events: Jefferies 2013 Global Industrials Conference on Wednesday, August 14, 2013, in New York, N.Y. David W. Meline, senior vice president and chief financial officer, will speak at 9 a.m. EDT. Morgan Stanley Industrials and Autos Conference on Wednesday, September 18, 2013, in Laguna Beach, Calif. David W. Meline, senior vice president and chief financial officer, will speak
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