73653699
Apr 6, 1987
Feb 23, 1988
PARTS AND FITTINGS FOR ELECTRIC AND ELECTRONIC APPARATUS, NAMELY, LOUD SPEAKERS; MICROPHONES; [ CAPACITORS; VARIABLE CAPACITORS; RESISTORS; VARIABLE RESISTORS; POSITIVE TEMPERATURE-RESISTANCE COEFFICIENT THERMISTORS; NEGATIVE TEMPERATURE-RESISTANCE COEFFICIENT THERMISTORS; CERAMIC FILTERS; MICROWAVE FILTERS; PIEZOELECTRIC TUNING FORKS AND ELECTROMAGNETIC TUNING FORKS; PIEZOELECTRIC OSCILLATORS; ] PIEZO ALARM UNITS; [ RESONATORS; RC CIRCUITS; HIGH VOLTAGE MULTIPLIERS; ELECTRON MULTIPLIERS; HIGH VOLTAGE POWER SUPPLIES; ELECTRONIC TUNERS; THERMAL FUSES; FLYBACK TRANSFORMERS; PYROELECTRIC INFRARED SENSORS; SEWING SENSORS; SHOCK SENSORS; ANTENNA TERMINAL BOARD; SWITCHES; CAPACITANCE-REGISTANCE PACKAGED CIRCUITS AND PRINTED CIRCUITS; FYBRID INTEGRATED CIRCUITS; COAXIAL CONNECTORS; DIELECTRIC BOARDS FOR PRINTED CIRCUITS; ELECTRICALLY INSULATED BOARDS FOR PRINTED CIRCUITS; ULTRASONIC TRANSDUCERS; PIEZOELECTRIC FIRING ELEMENTS FOR USE WITH CIGARETTE LIGHTERS AND FUEL-GAS IGNITERS; PIEZOELECTRIC IGNITERS; FERRITE MAGNETS; MAGNETIC CORES FOR HIGH FREQUENCY COILS FOR USE WITH TELEVISION AND/OR RADIO RECEIVER SETS ]
Electrical and Scientific Apparatus