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发明名称
Method of attaching small bearings to metal plates
摘要
申请公布号
US2094984(A)
申请公布日期
1937.10.05
申请号
US19350021545
申请日期
1935.05.15
申请人
THE J. E. MERGOTT COMPANY
发明人
HIERING WILLIAM C.
分类号
B21D39/03
主分类号
B21D39/03
代理机构
代理人
主权项
地址
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