
【国外标准】 Respiratory protective devices - Half masks and quarter masks - Requirements, testing, marking
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2025-06-05
- DIN EN 140
- 现行
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适用范围:
暂无
标准号:
DIN EN 140
标准名称:
Respiratory protective devices - Half masks and quarter masks - Requirements, testing, marking
英文名称:
标准状态:
现行-
发布日期:
2001-12-01 -
实施日期:
出版语种:
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