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发明名称
Method of forming a permanent connecting link
摘要
申请公布号
US1817529(A)
申请公布日期
1931.08.04
申请号
US19300479399
申请日期
1930.09.02
申请人
O. & S. BEARING COMPANY
发明人
SKILLMAN NEWTON
分类号
B25B27/28;B60G21/055
主分类号
B25B27/28
代理机构
代理人
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