NF EN 457-1992 标准详情
- 标准号:NF EN 457-1992
- 中文标题:
- 英文标题:Safety Of Machinery - Auditory Danger Signals - General Requirements, Design Testing
- 标准类别:法国国家NF
- 发布日期:
Gives the safety and ergonomic requirements and the corresponding test methods for auditory danger signals. Does not apply to verbal danger warnings. Special regulations such as those for a public disaster and public transport are not affected. Cover
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