Hammer drill for percussion drilling,申请号GB19870005877-传众专利搜索

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发明名称	Hammer drill for percussion drilling
摘要
申请公布号	GB2188270(A)	申请公布日期	1987.09.30
申请号	GB19870005877	申请日期	1987.03.12
申请人	* BERGWERKSVERBAND GMBH	发明人	PETER * STEPHAN
分类号	B25D16/00;B25D17/06;E21B1/38;(IPC1-7):B25D9/04;B25D11/04	主分类号	B25D16/00
代理机构		代理人
主权项
地址

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