derma-spectrometer
1.forward spectrometer
2.vacuum mass spectrometer
4.large acceptance spectrometer
5.double-arm spectrometer
6.heavy-particle magnetic spectrometer
7.Traveling-wave EPR Spectrometer
8.nuclear magnetic resonance spectrometer
9.sector magnetic field mass spectrometer
10.β-NMR and β-NQR Spectrometer

