Duncan had beaten the last remaining Ballinderry pair, Albert and Keith Morrison in the semi-final, following a win over Peter Campbell/ Paul Canning, Bangor in the quarter finals.
Beattie/Leckie beat Jarl Richardson/Cecil Dillon, Soldierstown in the semi-final, having won against Eddie Marsden, Ballinderry and Gerry Conroy, Beragh in the quarter finals.
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Albert and Keith Morrison had a win over Yvonne Hall and Partner, Drumgor in the quarter finals and Richardson/Dillon won their last eight game over John Rafferty and partner, Omagh.