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2015 OFC, FOE, Japan CATV, ECOC, CABLE-TEC EXPO
2014 OFC, FOE, Japan CATV, ECOC, CABLE-TEC EXPO
2013 OFC, FOE, Japan CATV, ECOC, CABLE-TEC EXPO
2012 OFC, FOE, Japan CATV, ECOC, CABLE-TEC EXPO
2011 OFC, FOE, Japan CATV, ECOC, CABLE-TEC EXPO