PROPULSION DEVICE, FOR LAYING UNDERGROUND PIPING, HAVING MAIN UNIT MOVABLE RELATIVE TO AND ACROSS BASE WITH COMPACT PLAN ARRANGEMENT,申请号NZ19960299839-传众专利搜索

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发明名称	PROPULSION DEVICE, FOR LAYING UNDERGROUND PIPING, HAVING MAIN UNIT MOVABLE RELATIVE TO AND ACROSS BASE WITH COMPACT PLAN ARRANGEMENT
摘要
申请公布号	NZ299839(A)	申请公布日期	1998.03.25
申请号	NZ19960299839	申请日期	1996.11.27
申请人	HOUSHOU CO LTD	发明人	HIDAKA, NORIZUMI
分类号	E21D9/06;F16L1/00;F16L1/028;(IPC1-7):F16L1/00	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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