73490158
Jul 16, 1984
Jul 23, 1985
PETROLEUM COMPOUNDS IN DILUTED AND CONCENTRATED FORM CONSISTING IN A MAIN PART OF PETROLEUM OIL AND/OR PETROLEUM HYDROCARBON MIXTURES CONTAINING ADDITIONAL ORGANIC AND/OR MINERAL SUBSTANCES TO IMPROVE OR ALTER THE CHARACTERISTICS OF THE PETROLEUM OILS AND/OR HYDROCARBON MIXTURES
Lubricants and Fuels