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Tokyo-based Mori Trust Co., through its recently launched U.S. subsidiary, has completed its previously announced acquisition of two office buildings in Boston’s Back Bay from Liberty Mutual Group.
Mori Trust paid $673 million, or approximately $816 per square foot, for 10 St. James Ave., a 20-story, 565,000-square-foot, Class A office building completed in 2001, and 75 Arlington St., an adjacent 10-story, 260,000-square-foot, Class A office building…