73698640
Dec 2, 1987
Jun 27, 1989
CALCULATING MACHINES, VIDEO RECORDING DISCS, NUMERICAL VIDEO RECORDERS; NUMERICAL REGULATORS; FLUID METERING INSTANTANEOUS FLOWMETERS FOR GAS OR LIQUIDS; VOLUMETRIC SENSORS; COMPUTERS; FLOW MULTIMETERING UNITS; MICROCOMPUTERS; MICROCOMPUTERS FOR AUTOMATIC CONTROL; NUMERICAL CONTROL UNITS; GAS ANALYZERS; ANALYZERS FOR OXYGEN IN GAS; TRANSMITTERS; HYBRID CIRCUITS FOR MEASUREMENTS; HYBRID CIRCUITS FOR OVERPRESSURE MEASUREMENTS; PRESSURE GAUGES; CONTAINER LEVEL MEASUREMENT UNITS; DISSOLVED OXYGENATION MEASUREMENT UNITS; GALVANOMETRIC CELLS WITH SOLID ELECTRODES; POTENTIOMETRIC RECORDERS; MINI POTENTIOMETRIC RECORDERS; CONTINUOUS LINE POTENTIOMETRIC RECORDERS; INDUSTRIAL WATER ANALYZERS; MUD OR SLUDGE ANALYZERS; PH TRANSMITTERS; CONDUCTIMETERS
Electrical and Scientific Apparatus