electronic and electro-physics apparatus, namely atomic frequency standards, time measuring apparatus, standard frequency receivers, quartz crystal oscillators, frequency distributors, frequency calibrators, and parts of such goods, including circuit boards

ELECTRONIC AND ELECTRO PHYSICAL APPARATUS-NAMELY, FREQUENCY STANDARDS, TIME MEASURING APPARATUS, FREQUENCY CONTROLLING APPARATUS, CAVITY RESONATORS, GAS FILLED SPECTRAL LAMPS, GAS FILLED ABSORPTION CELLS, FREQUENCY MIXING AND SYNTHESIZING APPARATUS; STANDARD FREQUENCY RECEIVERS; QUARTZ CRYSTAL OSCILLATORS; AND PARTS OF THE AFOREMENTIONED GOODS ESPECIALLY IN THE FORM OF INTEGRATED CIRCUIT BOARDS