DIN EN ISO 7500-1 Bb.2-1999 金属材料.静态单轴压缩试验机的验证.第1部分:拉伸/压缩试验机.测力系统的验证与校准.弹簧试验机的要求、验证和校准一般规则
Metallic materials - Verification of static uniaxial testing machines - Part 1: Tension/compression testing machines; verification and calibration of the force-measuring system; general for requirements, verification and calibration of spring testing mach