73115192
Feb 9, 1977
Sep 12, 1978
ENVIRONMENTAL TEST EQUIPMENT FOR SEMI-CONDUCTOR AND MICRO-ELECTRONIC DEVICES-NAMELY, CENTRIFUGES, FINE AND GROSS HERMETICITY LEAK DETECTORS AND FILTRATION UNITS USED THEREWITH, PRESSURIZATION-TYPE LEAK DETECTORS, BULK-TO-STICK LOADERS AND ACCELERATED BURN-IN LIFE TESTORS/SCREENERS
Electrical and Scientific Apparatus