BS 6344-2:1988
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Industrial hearing protectors Specification for ear plugs
Hardcopy , PDF
12-15-1993
English
09-30-1988
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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