Self-locking nut,申请号GB19470005756-传众专利搜索

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发明名称	Self-locking nut
摘要
申请公布号	GB629683(A)	申请公布日期	1949.09.26
申请号	GB19470005756	申请日期	1947.02.27
申请人	HENRY OLGER ENGSTROM	发明人
分类号	B21K1/70;F16B39/284;F16B39/30	主分类号	B21K1/70
代理机构		代理人
主权项
地址

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