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发明名称
Method of making spring lock nuts
摘要
申请公布号
US2035859(A)
申请公布日期
1936.03.31
申请号
US19350023629
申请日期
1935.05.27
申请人
RENCHTITE SPRING NUT COMPANY
发明人
BERGSTROM WILLIAM A.
分类号
F16B39/286
主分类号
F16B39/286
代理机构
代理人
主权项
地址
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