U.S. federal trademark · Serial No. 73309307
SCIENTIFIC APPARATUS AND INSTRUMENTS, FOR ELECTROMAGNETIC PROSPECTING, RECORDING, CALCULATION, MEASURING, SIGNALING, CHECKING, TRANSMISSION AND MULTIFREQUENCY RECEPTION, NAMELY: NUMERICAL VOLTAMMETER AND AMMETER, DIGITAL ANALOG, CONVERTER, MULTIPLEXER, FILTER, MICROCAL- CULATOR, INDUCTION DEVICE, TUNED FILTERS, ISOLATION AMPLIFIER
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