Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01J
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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49/00
Particle spectrometers or separator tubes
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H01J49/004
Combinations of spectrometers, tandem spectrometers, e.g. MS/MS, MSn
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H01J49/0045
characterised by the fragmentation or other specific reaction
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H01J49/0072
by ion/ion reaction, e.g. electron transfer dissociation, proton transfer dissociation
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