TRANSVEKTOR
ELECTRICAL APPARATUS FOR CONTROLLING, REGULATING, MEASURING, SIGNALLING OR CHECKING-NAMELY, CONDENSERS, FUSES, RESISTORS, ELECTRIC FILTERS, TUBES, SURGE ARRESTERS, SEMICONDUCTORS, TRANSISTORS, THYRISTORS, PHOTOCELLS, RELAYS AND COILS; PRINTED, ETCHED, POURED OR MONOLITH INTEGRATING CIRCUITS
Expired · November 9, 1972 · 72440738 ·