Improvements in or relating to portable drilling and like rotary machines,申请号GB19330018743-传众专利搜索

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发明名称	Improvements in or relating to portable drilling and like rotary machines
摘要
申请公布号	GB409925(A)	申请公布日期	1934.05.10
申请号	GB19330018743	申请日期	1933.07.01
申请人	CHARLES CROFTON AND COMPANY (ENGINEERS) LIMITED;HAROLD BUSTON CROFTON	发明人
分类号	B23B45/00;H01H9/06	主分类号	B23B45/00
代理机构		代理人
主权项
地址

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