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DIFFA/Chicago
222 Merchandise Mart Plaza
Suite 1647A
Chicago, IL 60654
(312) 644-6412
Fax (312) 644-6413
email: info@diffachicago.org
DIFFA/National
200 Lexington Avenue
Suite 1016
New York, NY 10016
(O) 212 727-3100
(F) 212 727-2574
email: info@diffachicago.org
