Drill head for a ground-boring device,申请号AU20050259407-传众专利搜索

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发明名称	Drill head for a ground-boring device
摘要
申请公布号	AU2005259407(A1)	申请公布日期	2006.01.12
申请号	AU20050259407	申请日期	2005.07.06
申请人	TRACTO-TECHNIK GMBH	发明人	FRANZ-JOSEF PUTTMANN
分类号	E21B7/26;E21B4/06;E21B4/14	主分类号	E21B7/26
代理机构		代理人
主权项
地址

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