328 N.E.2d 387 THE STATE, EX REL. GENERAL MOTORS CORP., APPELLANT, v. INDUSTRIAL COMMISSION ET AL., APPELLEES. No. 74-842Supreme Court of Ohio. Decided May 14, 1975. Workmen’s compensation — Back injury and award of 30 percent permanent partial disability — Subsequent injury and application for permanent total disability allowed — Mandamus to vacate order allowed […]