Complex sentence: From 1937 to 1949 Bulmers operated with Wm. Magners of Clonmel, expanding into Irish distribution markets, from 1949 Magners withdrew from this partnership but retained rights to trade under the name HP Bulmer Ltd in Ireland.
Split into simpler sentences: From 1937 to 1949, Bulmers operated with Wm. Magners of Clonmel, expanding into Irish distribution markets. From 1949 Magners withdrew from this partnership but retained rights to trade under the name HP Bulmer Ltd in Ireland.