407 A.2d 117 Republic Steel Corporation, Petitioner v. Commonwealth of Pennsylvania, Workmen’s Compensation Appeal Board, John Zacek and Commonwealth of Pennsylvania, Respondents. Commonwealth Court of Pennsylvania.Argued November 3, 1978 October 30, 1979. Workmen’s compensation — Notice to employer of disability — Occupational disease — The Pennsylvania Workmen’s Compensation Act, Act 1915, June 2, P.L. 736 […]