98056984
Jun 23, 2023
Calibration devices for calibrating optical emission spectrometers; Calibration devices for calibrating scientific test and measurement instruments, optical equipment; Industrial calibration sensors; Calibrated measurement science reference material artifacts, namely, optical filters, optical mirrors, optical prisms, optical lenses and optical emitting artifacts in the nature of materials that emit light due to luminescence, fluorescence, phosphorescence, change of material or ambient properties or change of material temperature, for use in validating analytical instrumentation; Laboratory equipment in the nature of scientific apparatus and containers, namely, optical windows and sample vessels and mirrors for use in scientific instruments, spectrophotometer cells, cell stirrers, lenses, quartz and glass optical sample vessels
Electrical and Scientific Apparatus