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发明名称
Lock nut and method of making the same
摘要
申请公布号
GB634412(A)
申请公布日期
1950.03.22
申请号
GB19470018804
申请日期
1947.07.15
申请人
ROBERT JOSEPH KEATING
发明人
分类号
B21D53/24;F16B23/00;F16B37/02;F16B37/06;F16B39/28;F16B39/284
主分类号
B21D53/24
代理机构
代理人
主权项
地址
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