Improvements in or relating to reciprocating or percussive tools,申请号GB19290033836-传众专利搜索

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发明名称	Improvements in or relating to reciprocating or percussive tools
摘要
申请公布号	GB328977(A)	申请公布日期	1930.05.05
申请号	GB19290033836	申请日期	1929.02.04
申请人	ARTHUR TREVE HOLMAN;KENNETH JAMES HOLMAN	发明人
分类号	E21B21/01	主分类号	E21B21/01
代理机构		代理人
主权项
地址

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