TRANSELECTRIC
TELEPHONES AND TELEPHONE AND INTERCOMMUNICATION APPARATUS COMPOSED OF TELEPHONE SETS, HAND SETS, INTERCOMMUNICATION BOXES, MICROPHONES, AMPLIFIERS, SWITCHES, ELECTRIC RELAYS, ELECTRICAL CABLE TERMINAL BOXES, AND ELECTRIC WIRES AND CABLES SOLD IN SETS AND SEPARATELY
Expired · January 21, 1952 · 71623843 ·