FEED LEG FOR A PERCUSSIVE DRILLING MACHINE,申请号GB19760031992-传众专利搜索

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发明名称	FEED LEG FOR A PERCUSSIVE DRILLING MACHINE
摘要
申请公布号	GB1531337(A)	申请公布日期	1978.11.08
申请号	GB19760031992	申请日期	1976.07.30
申请人	TORQUE TENSION LTD	发明人
分类号	E21B19/087;(IPC1-7):B25D17/28	主分类号	E21B19/087
代理机构		代理人
主权项
地址

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