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发明名称
Lock nut
摘要
申请公布号
US3240248(A)
申请公布日期
1966.03.15
申请号
US19630252661
申请日期
1963.01.21
申请人
THE LAMSON & SESSIONS CO.
发明人
WALTERMIRE WILLIAM G.
分类号
B21K1/70;F16B39/284
主分类号
B21K1/70
代理机构
代理人
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