DIN ISO 21940-11/A1 E:2020
文件草案 机械振动 转子平衡 第11部分：具有刚性行为的转子的程序和公差 修正案 1 (ISO 21940-11:2016/DAM 1:2020) 文本为德语和英语
Draft Document - Mechanical vibration - Rotor balancing - Part 11: Procedures and tolerances for rotors with rigid behaviour - Amendment 1 (ISO 21940-11:2016/DAM 1:2020); Text in German and English