BS 6375-2-1987 Performance of windows - Specification for operation and strength characteristics.pdf 未知 BS 2080-1989 Specification for face-to-face centre-to-face end-to-end and centre-to-end dimensions of valves.pdf 未知 BS 6364-1984 低温阀门 Specification for Valves for cryogenic service.pdf 未知 BS 2779-1986 Specification for Pipe threads for tubes and fittings where pressure-tight joints are not made on the threads .pdf PDF 851.71KB 20页 BS 1580-1&2-1962 Specification for Unified screw threads - Parts 1 & 2 -iameters 14 in and larger.pdf PDF 1.64MB 124页 BS 3692-1967 Specification for ISO metric precision hexagon bolts, screws and nuts. Metric units..PDF PDF 2MB 60页 BS EN-998-2-2010 砌体用砂浆规范 第2部分 砌体用砂浆.pdf PDF 1.61MB 40页
