| LC control no. | sh 85059616
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| LC classification | RF300 RF305
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| Topical heading | Hearing aids
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| Variant(s) | Hearing aids, Mechanical
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| See also | Audiology--Instruments
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Prosthesis
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| Scope note | Here are entered works on devices to improve hearing ability. Works on synthetic replicas of the ear used to restore cosmetic harmony to the face are entered under Ear prostheses.
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| Subject example tracing | Note under Ear prostheses
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