Self-opening screw-cutting dieheads,申请号GB19490029406-传众专利搜索

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发明名称	Self-opening screw-cutting dieheads
摘要
申请公布号	GB658488(A)	申请公布日期	1951.10.10
申请号	GB19490029406	申请日期	1949.11.17
申请人	ALFRED HERBERT LIMITED;ARTHUR HAROLD LLOYD;HERBERT MALLINSON	发明人
分类号	B23G5/12	主分类号	B23G5/12
代理机构		代理人
主权项
地址

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