DIN EN 352-7-2003 标准详情
- 标准号:DIN EN 352-7-2003
- 中文标题:听力防护器.安全要求和检测.第7部分:电平相关耳塞
- 英文标题:Hearing protectors - Safety requirements and testing - Part 7: Level-dependent ear-plugs; German version EN 352-7:2002
- 标准类别:德国标准
- 发布日期:2003-04
The document is concerned with level-dependent ear-plugs. It specifies additional constructional, design and performance requirements, methods of test, marking requirements and user information relating to the incorporation of the level-dependency fa
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