Class 009
Computer & Software Products & Electrical & Scientific Products
Automatic digital systems for measuring, recording and evaluating electrical and physical phenomena and modules therefor, namely analog digital converters, scanners, output couplers, digital clocks, counters, and program control units; level measuring systems, noise measuring systems, distortion measuring systems for radio links, measuring systems for PCM-transmission devices, reflection-factor measuring devices, phase measuring devices, frequency counters, noise analyzers, calibration circuits, electrical filters for information-transmission devices, and electrical attenuation and delay equalizers.
