Hydraulic Drive System for a Hammering Tool,申请号GB19810005664-传众专利搜索

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发明名称	Hydraulic Drive System for a Hammering Tool
摘要
申请公布号	GB2074663(A)	申请公布日期	1981.11.04
申请号	GB19810005664	申请日期	1981.02.23
申请人	SALZGITTER MASCHINEN UND ANLAGEN AG	发明人
分类号	E21B4/14;F03C1/007;(IPC1-7):F03C1/14	主分类号	E21B4/14
代理机构		代理人
主权项
地址

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