74074608
Jul 2, 1990
Sep 8, 1992
laboratory equipment for use in petroleum engineering, petrochemical and petrographic analysis of porous samples; namely, acid flow testers, acoustic velocity testers, accumulators, calcimeters, capillary pressure testers, centrifuges, check plugs, color photo makers, compressibility measurers, core cleaners, core holders, density measurers, distillers, drill presses, effluent recoverers, extractors, filters, flood sweep efficiency testers, gamma ray testers, grain volume and pore volume measurers, miscibility measurers, molecular weight measurers, permeability testers, porosimeters, pressure regulators, pressure testers, pumps, recombination cells, resistivity meters, sample cleaners, sample holders, saturators, saws, tensiometers, ultraviolet lights retorts, viscosity testers and volume measurers
Electrical and Scientific Apparatus