Propulsion device for laying underground piping,申请号AU19960071823-传众专利搜索

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发明名称	Propulsion device for laying underground piping
摘要
申请公布号	AU718370(B2)	申请公布日期	2000.04.13
申请号	AU19960071823	申请日期	1996.11.19
申请人	HOUSHOU CO., LTD.	发明人	NORIZUMI HIDAKA
分类号	E21D9/06;F16L1/00;F16L1/028;(IPC1-7):F16L1/028	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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