Pneumatically reversible ram drilling tool,申请号GB19990029543-传众专利搜索

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发明名称	Pneumatically reversible ram drilling tool
摘要
申请公布号	GB2345928(A)	申请公布日期	2000.07.26
申请号	GB19990029543	申请日期	1999.12.14
申请人	* TRACTO-TECHNIK-PAUL SCHMIDT SPEZIALMASCHINEN	发明人	ALFONS * HESSE;FRANZ-JOSEF * PUETTMANN
分类号	E21B4/14;(IPC1-7):E21B4/14	主分类号	E21B4/14
代理机构		代理人
主权项
地址

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