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发明名称
Self-locking screw
摘要
申请公布号
US3174521(A)
申请公布日期
1965.03.23
申请号
US19610081435
申请日期
1961.01.09
申请人
THE LAMSON & SESSIONS COMPANY
发明人
HARVEY CARL L.
分类号
F16B39/284
主分类号
F16B39/284
代理机构
代理人
主权项
地址
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