74183182
Jul 8, 1991
Feb 2, 1993
gas chromatographs including detectors, injectors, valves and data handling hardware and software therefor; mass spectrometers including detectors and data handling hardware and software therefor; global positioning systems comprising an antenna, receiver, micro processor, and display for showing position data; and transit satellite systems comprising an antenna receiver, microprocessor and display
Electrical and Scientific Apparatusaudiometers, including sound proof test enclosures and data handling hardware and software therefor
Medical Apparatus