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Hearing aids - Specification for dimensions of the nipple and sealing device for insert earphones Ingestion-build-111333 Given its inherent rigidity and
Hearing aids - Specification for dimensions of the nipple and sealing device for insert earphones Ingestion-build-111333 Given its inherent rigidity and
$142.00
Description
Given its inherent rigidity and durability
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Hearing aids - Specification for dimensions of the nipple and sealing device for insert earphones Ingestion-build-111333 Given its inherent rigidity and1 Scope This standard is applicable to insert earphones which can be fitted to an earmould inserted into the ear canal.
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