SANS 50352-7 Ed. 1 标准详情
- 标准号:SANS 50352-7 Ed. 1
- 中文标题:
- 英文标题:Hearing Protectors - Safety Requirements And Testing - Part 7: Level-dependent Ear-plugs
- 标准类别:南非国家标准
- 发布日期:
Describes constructional, design and performance requirements, methods of test, marking requirements and user information relating to the incorporation of an electronic level-dependent sound restoration facility in ear-plugs.
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