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summary
Hearing aids. Specification for dimensions of the nipple and sealing device for insert earphones | Status: Confirmed, Current
description
1 Scope
This standard is applicable to insert earphones which can be fitted to an earmould inserted into the ear canal.
Details
Publisher
BS
File size
259.34 KB
Pages
8
Format
PDF
Publication date
1984-03-30
ISBN-13
978-0-580-13794-5
ISBN-13 plain
9780580137945
ISBN-10
0580137945