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发明名称
Jewel bearing and method of making same
摘要
申请公布号
US2645078(A)
申请公布日期
1953.07.14
申请号
US19490111669
申请日期
1949.08.22
申请人
ARDE BULOVA
发明人
BULOVA ARDE
分类号
G04B31/008
主分类号
G04B31/008
代理机构
代理人
主权项
地址
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