BS 5157-1989 Steel gate (parallel slide) valves.pdf 未知 MSS SP-44-2010 钢制管道法兰 Steel Pipeline Flanges.pdf 3.40 MB JIS B2071-2000 不锈钢阀门 (Steel valves).pdf 未知 MSS SP-9-2001 Spot Facing For Bronze Iron And Steel Flanges.pdf 未知 既有钢结构安全性检测评定技术及工程应用=STEEL STRUCTURE SAFETY INSPECTION TECHNOLOGY AND ENGINEERING APPLICATION 韩继云主编 13687888.pdf PDF 59.94MB 415页 BS 1868-1975(R1990) Steel check valves(flanged and butt-welding ends) for the petroleumpetrochemical and allied industries.pdf 未知 BS EN 10055-1996 Hot rolled steel equal flange tees with radiused root and toes. Dimensions and tolerances on shape and dimensions .pdf 未知 BS EN 1092-1-2007 Flanges and their joints - Circular flanges for pipes valves fittings and accessories PN designated - Part 1 Steel flanges.pdf 未知 预应力钢桥理论与设计 Prestressed Steel Bridges Theory and Design.pdf 10.0 MB BS EN 1983-2006 工业用阀 - 钢制球阀 Industrial valves steel ball valve.pdf 未知 Steel Construction Manuel.pdf PDF 34.67MB 2322页 02-SAMSS-011-2007 Forged Steel Weld Neck Flangeds for Low Intermediate and high temperature service.pdf 未知 Fabricators' and Erectors' Guide to Welded Steel.pdf 815 KB
