Improvements in and relating to hydraulically operated drilling machines,申请号GB19330026630-传众专利搜索

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发明名称	Improvements in and relating to hydraulically operated drilling machines
摘要
申请公布号	GB425918(A)	申请公布日期	1935.03.25
申请号	GB19330026630	申请日期	1933.09.27
申请人	LELAND-GIFFORD CO.	发明人
分类号	B23B45/04;B23B47/22	主分类号	B23B45/04
代理机构		代理人
主权项
地址

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