73083205
Apr 8, 1976
Aug 1, 1978
TELEPHONE COMMUNICATIONS EQUIPMENT-NAMELY, ATTENUATOR PADS AND ATTENUATOR MOUNTS, CONFERENCE BRIDGES, SWITCH RELAYS, [ TRUNK SIGNAL LINK CIRCUITS, TERMINATING RESISTORS, RELAYS, ] CAPACITOR ASSEMBLIES, PULSE LINK REPEATER CIRCUITS, BRIDGE-TERMINAL STRIP ADAPTER FRAMES, AMPLIFIERS, AC-TO-DC POWER SUPPLIES FOR TELECOMMUNICATIONS EQUIPMENT, DIVIDING NETWORKS, RESISTOR BRIDGES, AND TELECOMMUNICATIONS SIGNALING UNITS FOR ENABLING ONE SWITCHING MACHINE TO SIGNAL ANOTHER
Electrical and Scientific Apparatus