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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H01J49/44
Energy spectrometers, e.g. alpha-, beta-spectrometers
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H01J49/48
using electrostatic analysers, e.g. cylindrical sector, Wien filter
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H01J49/482
with cylindrical mirrors
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