GB/T 39545.3-2020 闭式齿轮传动装置的零部件设计和选择 第3部分：轴和轮毂的无键配合连接
文件大小 : 4 MB
文档格式 : PDF电子版
文档分类 : 国家标准
更新时间 : 2024-04-20 11:42:51
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