Master franchise agreement with Grand Parade Investments calls for the development of more than 250 Dunkin’ Donuts restaurants and more than 70 Baskin-Robbins shops in South Africa over the coming years CANTON, Mass, 2016-Jan-22 — /EPR Retail News/ — Dunkin’ Brands, the parent company of two of the world’s most recognizable brands, Dunkin’ Donuts and Baskin-Robbins,…