BS 6344-1:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 muffs
Hardcopy , PDF
12-15-1993
English
11-30-1989
Construction, design and performance requirements with methods of test and marking.
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