Improvements in or relating to rock drills and like tools,申请号GB19320000622-传众专利搜索

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发明名称	Improvements in or relating to rock drills and like tools
摘要
申请公布号	GB395020(A)	申请公布日期	1933.07.10
申请号	GB19320000622	申请日期	1932.01.08
申请人	BENJAMIN COCK;HOLMAN BROTHERS LIMITED	发明人
分类号	B25D9/16	主分类号	B25D9/16
代理机构		代理人
主权项
地址

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