SIENCO
MEASURING AND SCIENTIFIC APPLIANCES-NAMELY, WELL LOG, GEOPHYSICAL AND GEOCHEMICAL APPARATUS INCLUSIVE OF RADON DETECTORS, MERCURY DETECTORS, BACKGROUND RADIATION DETECTORS, DOWN HOLE PROBES, AND WEIGHT AND DISTANCE COMPENSATING WELL LOG DRIVES; MEDICAL INSTRUMENTATION DEVICES INCLUSIVE OF DUAL SAMPLE AGGREGOMETERS, INSTRUMENTATION FOR BLOOD CLOTTING CHARACTERISTICS AND SUSCEPTIBILITY, A GAS SPLITTER INTERCONNECTING A GAS CHROMATOGRAPH AND MASS SPECTROMETER, TUBING SEALS FOR GAS CHROMATOGRAPHS...
Expired · May 5, 1972 · 72423446 ·