BS 6344-2:1988
$86.31
Industrial hearing protectors – Specification for ear plugs
| Published By | Publication Date | Number of Pages |
| BSI | 1988 | 8 |
Requirements for materials, construction, assumed protection, sizing and marking and the provision of user instructions for ear plugs, excepting those ear plugs incorporating a semi-rigid interconnection, a communication facility or those in which the acoustic performance is claimed to be dependant upon amplitude.
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