UNDERGROUND CONSTRUCTION METHOD,申请号JP19920107054-传众专利搜索

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发明名称	UNDERGROUND CONSTRUCTION METHOD
摘要
申请公布号	JPH05302338(A)	申请公布日期	1993.11.16
申请号	JP19920107054	申请日期	1992.04.24
申请人	MAEDA CORP	发明人	OKA KOJI
分类号	E01C9/08;E02D17/04;E02D29/00;E02D29/045;E21D13/00;(IPC1-7):E02D29/00	主分类号	E01C9/08
代理机构		代理人
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