167982 ⎘
Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light; Systems in which incident light is modified in accordance with the properties of the material investigated; Transmissivity; Densitometers; Features of mounting, adjusting Double pass
Measurement system for powder based agents
#2DEVICE AND METHOD FOR MEASURING CONCENTRATION OF LIQUID TONER
#3Apparatus for optical measurement of substance concentrations
#4Apparatus for detecting light-transmissive sheet-like body