EN 12845:2015/PRA1:2019
固定消防系统.自动喷水灭火系统.设计,安装和维护包含修改件PRA1,2019

固定消防系统.自动喷水灭火系统.设计,安装和维护包含修改件PRA1,2019 是非强制性国家标准，您可以免费下载预览页

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适用范围: Introduction This draft standard is based on national and international discussions. Your comments on this draft are invited and will assist in the preparation of the consequent standard. For international standards@ comments will be reviewed by the relevant UK national committee before sending the consensus UK vote and comments to the international committee@ which will then decide appropriate action. If the international standard is approved@ it is usual for the text to be published as a British Standard. For national standards@ comments will be reviewed by the relevant UK national committee and the resulting standards published as a British Standard.

EN 12845:2015/PRA1:2019固定消防系统.自动喷水灭火系统.设计,安装和维护 包含修改件PRA1,2019