
【国外标准】 Expert Commentary on BS EN 50849:2017. Sound systems for emergency purposes
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适用范围:
暂无
标准号:
BS EN 50849:2017 ExComm (Fire)
标准名称:
Expert Commentary on BS EN 50849:2017. Sound systems for emergency purposes
英文名称:
Expert Commentary on BS EN 50849:2017. Sound systems for emergency purposes标准状态:
现行-
发布日期:
2017-03-31 -
实施日期:
出版语种:
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