Patent classifications
G
PHYSICS
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G21
NUCLEAR PHYSICS; NUCLEAR ENGINEERING
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G21K
HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
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2207/00
Particular details of imaging devices or methods using ionizing electromagnetic radiation such as X-rays or gamma rays
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G21K2207/005
Methods and devices obtaining contrast from non-absorbing interaction of the radiation with matter, e.g. phase contrast
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