73769406
Dec 14, 1988
Oct 17, 1989
ANALYSIS OF OILS FOR OTHERS USED IN LUBRICATION OF ENGINES, TRANSMISSIONS, TURBINES, COMPRESSORS, MINING AND CONSTRUCTION EQUIPMENT, HYDRAULIC SYSTEMS AND GEAR SYSTEMS AND REPORTING ON THE CONDITION OF THE OIL AND THE NEED FOR ANY CORRECTIVE ACTION IN THE LUBRICATION OF THE EQUIPMENT
Computer and Scientific