Improvements in or relating to methods of and apparatus for making socketed screws,申请号GB19390027052-传众专利搜索

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发明名称	Improvements in or relating to methods of and apparatus for making socketed screws
摘要
申请公布号	GB535074(A)	申请公布日期	1941.03.27
申请号	GB19390027052	申请日期	1939.10.02
申请人	THE HOLO-KROME SCREW CORPORATION	发明人
分类号	B21K1/46	主分类号	B21K1/46
代理机构		代理人
主权项
地址

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