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发明名称
Arbor
摘要
申请公布号
US2513412(A)
申请公布日期
1950.07.04
申请号
US19490090947
申请日期
1949.05.02
申请人
THE TIMKEN ROLLER BEARING COMPANY
发明人
HOLSING ROBERT H.
分类号
B23B31/40
主分类号
B23B31/40
代理机构
代理人
主权项
地址
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