DIN EN ISO 7500-1 Beiblatt 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 补充件2: 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 - Supplement 2: General for requirements, verification and calibration of spr