Ionized substrates for mass spectrometry; Measuring machines and instruments in the nature of ionized substrates for use in imaging in mass spectrometry; structural parts and fittings for mass spectrometers; replacement parts and fittings for mass spectrometers

Ionized substrates for mass spectrometry; Measuring machines and instruments in the nature of ionized substrates for use in imaging in mass spectrometry; parts and fittings for mass spectrometers