73115189
Feb 9, 1977
Oct 3, 1978
ENVIRONMENTAL TEST EQUIPMENT FOR SEMI-CONDUCTOR AND MICROELECTRONIC 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 LIFT TESTORS/SCREENERS
Electrical and Scientific Apparatus