NFPA 20 2019 固定式消防泵安装标准 Fire Pumps.pdf PDF 2.84MB 201页 JIS B2292-1-2005 Hydraulic fluid power-Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors-Part 1:Inch series shown in metric units.pdf 未知 JIS B2292-2-2004 Hydraulic fluid power-Dimensions and identification code for mounting flanges and shaft ends of displacement pumps and motors-Part 2:Metric series.pdf 未知