GB/T 36254-2018航空电机用标准轻型深沟球轴承国家标准
英文:Standard light annular ball bearings primarily for aircraft generators and motor-generators GB/T 36254-2018介绍: 国家标准《航...
英文:Standard light annular ball bearings primarily for aircraft generators and motor-generators GB/T 36254-2018介绍: 国家标准《航...