GB/T 42049-2022飞机机体用滚动轴承特性、外形尺寸、公差和额定静负荷国家标准
英文:Airframe rolling bearings—Characteristics, boundary dimensions, tolerances, static load ratings GB/T 42049-2022介绍: 国家...
英文:Airframe rolling bearings—Characteristics, boundary dimensions, tolerances, static load ratings GB/T 42049-2022介绍: 国家...