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NFPA 20 2007消防固定水管的安装.pdf文档页数:105文档大小:3.37MB文档格式:pdf NEPA 20Standard for theInstallation of Stationary Pumpsfor Fire Protection2007 EditionNFPA ,1 Batterymarch Park ,Quincy ,MA 02169-7471An International Codes and Standards Organiz