BS 1580-3-2007 Unified screw threads – Part 3 Screw threads with diameters below in – Requirements.pdf PDF 478.42KB 24页 BS 1580-3-1965统一螺纹规范.第3部分直径小于1-4英寸.pdf PDF 605.4KB 18页 低压开关柜外形与主电路方案设计选用标准图集 1580页.pdf PDF 17.21MB 1580页 DB11/T 1580-2025 生产经营单位安全生产应急资源调查要求.pdf PDF 117.86KB 10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
