FI (Note)/(Index) list

Descriptions for H01J49/00 and notes/indexes are displayed on this screen.

H01J49/00 Particle spectrometers or separator tubes [3, 2006.01]

Note(s)
    In classifying particle separators, no distinction is made between spectrometry and spectrography, the difference being only in the manner of detection which in the first case is electrical and in the second case is by means of a photographic film.[3]