Improvements in devices for locating articles during drilling,申请号GB19460037229-传众专利搜索

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发明名称	Improvements in devices for locating articles during drilling
摘要
申请公布号	GB619644(A)	申请公布日期	1949.03.11
申请号	GB19460037229	申请日期	1946.12.18
申请人	SMALL & PARKES LIMITED;ALFRED KINGSTON HEBDITCH	发明人
分类号	B23B47/00	主分类号	B23B47/00
代理机构		代理人
主权项
地址

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