VANCOUVER, BC -- (Marketwired) -- 09/03/15 -- (NASDAQ: BLDP) (TSX: BLD) has been invited to present at the being held on September 9-10, 2015 at the Four Seasons Hotel San Francisco.Ballard management is scheduled to present on Thursday, September 10 at 2:30 p.m. Pacific time, with one-on-one meet ...
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