Hearing aids - Specification for dimensions of the nipple and sealing device for insert earphones Ingestion-build-117251 NOTE 2 Heat-resistant steel grades
$142.00
Description
NOTE 2 Heat-resistant steel grades can be found in ISO 4955 and they can be used for corrosion-resistant purposes
Developing a security framework
This also does not provide an efficacy-evaluation method for an anti-fouling system using a specific substance
As a user of BS 5452
Hearing aids - Specification for dimensions of the nipple and sealing device for insert earphones Ingestion-build-117251 NOTE 2 Heat-resistant steel grades1 Scope This standard is applicable to insert earphones which can be fitted to an earmould inserted into the ear canal.
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