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经营范围
发明名称
Improvements in or relating to a lock nut and method of manufacturing same
摘要
申请公布号
GB1044252(A)
申请公布日期
1966.09.28
申请号
GB19640002680
申请日期
1964.01.21
申请人
THE LAMSON & SESSIONS COMPANY
发明人
分类号
B21K1/70;F16B39/284
主分类号
B21K1/70
代理机构
代理人
主权项
地址
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