capacitors [, hybrid integrated circuits, ] [noise suppressors, in the nature of magnetic core types, for AC lines, printed boards, telephone sets, key telephone systems;, namely, combinations of key telephone sets and a control device ] [ ; emergency call telephone systems;, namely, combinations of key telephone sets, sensors and a control device; automatic emergency reporting devices;, namely, combination of emergency sensors and a transmitter, telephone exchanger for private use, facsimile...