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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A61N1/00 Electrotherapy; Circuits therefor
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A61N1/02 Details
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A61N1/025 Digital circuitry features of electrotherapy devices, e.g. memory, clocks, processors
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