A device for facilitating the gauging of screw-threads,申请号GB19420007664-传众专利搜索

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发明名称	A device for facilitating the gauging of screw-threads
摘要
申请公布号	GB554781(A)	申请公布日期	1943.07.19
申请号	GB19420007664	申请日期	1942.06.05
申请人	ALFRED HERBERT LIMITED;LESLIE JOHNS HUGO	发明人
分类号	G01B5/20	主分类号	G01B5/20
代理机构		代理人
主权项
地址

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