Patent classifications
A
HUMAN NECESSITIES
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A61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61N
ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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A61N5/10
X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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A61N5/1001
using radiation sources introduced into or applied onto the body; brachytherapy
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A61N5/1007
Arrangements or means for the introduction of sources into the body
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