9 ELECTRONIC APPARATUS AND INSTRUMENTS - NAMELY, TELEVISIONS, TELECOMMUNICATIONS EQUIPMENT, CASSETTE RECORDERS, ELECTRONIC TEST AND MEASURING INSTRUMENTATION, OSCILLOSCOPES, LABORATORY POWER SUPPLIES AND SYSTEMS, AC/DC INVERTERS, ISOLATION TRANSFORMERS, ELECTRONIC ASSEMBLY STATIONS, UNIVERSAL TIME AND FREQUENCY COUNTERS, FREQUENCY CHANGERS, SIGNAL GENERATORS, DIGITAL IC FUNCTION TESTERS, LCR SORTESTORS, UNIVERSAL PROM PROGRAMMERS, VARIABLE DC SOURCES, AND WAVE SOLDERING SYSTEMS