97400547
May 9, 2022
X-ray tubes not for medical purposes; Calibration devices for calibrating X-ray diagnostic apparatus other than for medical use; Calibration devices for calibrating Industrial X-ray apparatus in the nature of testing equipment for determining industrial flaws; Calibration devices for calibrating optical emission spectrometers, atomic absorption spectrometers and X-ray apparatus, other than for medical use
Electrical and Scientific Apparatus