73343714
Dec 28, 1981
Jan 4, 1983
Determining Engine, Gearing, Transmission and Hydraulic System Condition by Analyzing Used Fluids-Namely, Engine Lubricants, Gearing Lubricants, Working Fluids in Transmissions and Working Fluids in Hydraulic Systems for Presence of Contaminants, Viscosity, Oxidation, pH Level
Building Construction and Repair