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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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5/00
Radiation therapy
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A61N5/06
using light
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A61N5/0601
Apparatus for use inside the body
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A61N5/0603
for treatment of body cavities
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A61N2005/0608
Rectum
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