CSF
ELECTRICAL, RADIO-ELECTRIC, ELECTRONIC, OPTICAL AND ACOUSTICAL APPARATUS FOR TELECOMMUNICATIONS FOR RADIO AND TELEVISION TRANSMISSION AND RECEPTION, RADAR, TELEPHOTOGRAPHY AND FACSIMILE, CONTROL AND REGULATION OF MACHINES, METERS, COMPUTORS AND CALCULATORS, DIRECTION, DISTANCE AND ALTITUDE INDICATORS AND FINDERS, SOUNDING APPARATUS; REPLACEMENT PARTS FOR THE SAID APPARATUS-NAMELY, TUBES, CRYSTALS, CONDENSERS, RESISTORS, TRANSISTORS, THERMISTORS; CONDUCTING, SEMICONDUCTING, MAGNETIC AND INSULA...
Expired · May 21, 1954 · 71666827 ·