Standard Specification for Non-Reinforced Extruded Tee Connections for Piping Applications
管道用非增强挤压三通接头的标准规范
2024-11-15
JJF 1063-2000
石油螺纹单项参数检查仪校准规范
Calibration Specification for Instruments of Thread Inspection of Casing,Tubing,Line Pipe and New Rotary Shouldered Connection
2000-02-14
BS 2L 508-1973
Specification for bars and extruded sections of magnesium-1¼% zinc-zirconium alloy (suitable for welding by inert-gas shielded arc techniques) (not exceeding 50 mm diameter or minor sectional dimension) (Zn 1.25, Zr 0.6)
镁-1 3/16%锌锆合金棒材和挤压型材规范（适用于惰性气体保护电弧技术焊接）（直径不超过50 mm或较小截面尺寸）（Zn 1.25 Zr 0.6）