547 N.E.2d 1167 GENERAL MOTORS CORPORATION, CHEVROLET MOTOR DIVISION (N.K.A. HYDRA-MATIC DIVISION), APPELLANT, v. LIMBACH, TAX COMMR., APPELLEE. No. 88-720Supreme Court of Ohio.Submitted September 19, 1989 — Decided December 13, 1989. Taxation — Sales and use taxes — Gauge masters and transmission oil purification system used in automobile transmission production exempt from taxation as an […]