Electronic devices for measuring electric current; calibration devices for calibrating X-ray diagnostic apparatus other than for medical use; computer operating programs, recorded; geiger counters; thread counters; recorded computer operating software; measuring instrumentation and apparatus, namely, digitizers; depth gauges; petrol gauges; angle gauges; level gauges; surveying machines and instruments; precision balances; metal detectors; radar detectors; surveying instruments; coils, electric; electromagnetic coils; variometers; magnetic and electromagnetic coils; magnetic cores; demagnetizers; pressure sensors; temperature sensors; acceleration sensors; transformers; electromagnets; battery charging devices for motor vehicles